", "SER FAQ: TVFAQ: X-ray and other EM emission from my TV or monitor? A CRT is essentially a sealed glass bottle with no air inside. [569] Recycling facilities that accept CRT devices from business and residential sector must obtain contact information such as address and phone number to ensure the CRTs come from a California source in order to participate in the CRT Recycling Payment System. Less Than 16 in (GRADE A) DELL 17" CRT MONITOR E772P 1280 x 1024. [549] By the time personal computers were produced, glass in the front panel (the viewable portion of the CRT) used barium rather than lead,[citation needed] though the rear of the CRT was still produced from leaded glass. When a charge was applied across the sheets in certain locations, a glowing pattern emerged. Enterprising businesspeople manufactured "RF modulator" boxes for the Apple II that converted composite video into a signal that simulated an over-the-air broadcast--something a TV set could understand. This makes the band an integral component that should never be removed; attempting to remove it may cause the CRT to implode. [570], Multiple methods have been proposed for the recycling of CRT glass. This is what it looks like inside of an old PC CRT monitor.#science #electronic #teardown A teletype is an electric typewriter that communicates with another teletype over wires (or later, over the radio) using a special code. Monochrome CRTs typically do not contain enough leaded glass to fail EPA TCLP tests. Photos: Computer History Museum, Deutsches Museum. This CRT monitor is modelled using Blender 2.81 and exported to various standard formats like .dae, .obj and .fbx. Picture tubes were used in TVs while display tubes were used in computer monitors. crt monitor stock illustrations. The methods involve thermal, mechanical and chemical processes. PCWorld helps you navigate the PC ecosystem to find the products you want and the advice you need to get the job done. Computer companies had experimented with desktop LCD monitors since the 1980s in small numbers, but those monitors tended to cost a lot and offer horrible performance in comparison with the more prevalent CRTs. In the past, CRT was a popular term for a computer display terminal. Basics of cathode rays and discharge in low-pressure gas: Applying CRT in different display-purpose: "Picture tube" redirects here. We compare the two best TV technologies", "MultiSync 25th Anniversary - The Evolution of the MultiSync | NEC Display Solutions", "New Report States CRT Monitors Are Still Better Than Modern Gaming Displays", "Large metal cone cathode ray tubes, and envelopes therefor", "CRT having a contrast enhancing exterior coating and method of manufacturing the same", "CHARACTERIZATION OF LEAD LEACHABILITY FROMCATHODE RAY TUBES USING THETOXICITY CHARACTERISTIC LEACHING PROCEDURE", "Processing technique for straight tube necking glass cone for CRT", "Method of reforming glass face plates on a shaping mold", "CRT funnel with positioning reference portions", "Glass panel and a cathode ray tube including the same", "Method for forming rectangular face plate", "Frequent Questions About the Regulation of Used Cathode Ray Tubes (CRTs) and CRT Glass", "GW-12.10-130: NEW APPROACH TO CATHODE RAY TUBE (CRT) RECYCLING", "SER FAQ: TVFAQ: Color CRTs - shadow masks and aperture grills", "SER FAQ: TVFAQ: CRT convergence adjustment", "Corning Asahi Video to sell plant assets to Chinese supplier | EE Times", "CPT expects limited impact from Asahi Glass CRT plant closure in Taiwan", "Asahi Techno Vision to close Singapore plant", "Asahi Glass restructures CRT funnel manufacturing", "4 CRT glass makers fined for price fixing", "Corning to Close Plant and Cut 1000 Jobs", "American Video Glass Company: TV glass plant officially dedicated", "Cathode ray tube | University of Oxford Department of Physics", "SER FAQ: TVFAQ: Should I be worried about X-ray exposure while servicing a TV or monitor? CRTs were produced in two major categories, picture tubes and display tubes. In the CRT are three electron guns: red, green, and blue. There are several companies in the United States that charge a small fee to collect CRTs, then subsidize their labor by selling the harvested copper, wire, and printed circuit boards. However, the LCD iMacs were unable to match the low price point of the iMac G3, largely due to the higher cost of the LCD technology at the time. CRT Monitors A CRT monitor contains millions of tiny red, green, and blue phosphor dots that glow when struck by an electron beam that travels across the screen to create a visible image. Recently, LCD monitors have become so inexpensive that many people experiment with dual-monitor setups like the one shown here. Older color and monochrome CRTs may have been manufactured with toxic substances, such as cadmium, in the phosphors. - February 15, 2002", "FlexScan L66: A sound choice in flat-panel displays -", "GE Announces Tube Plant Closing; 790 Jobs Cut", "Hitachi Will Still Manufacture CRT Monitors - ExtremeTech", "Sony to stop making old-style cathode ray tube TVs", "Thomson shuts down American picture tube production | TV Technology", "Hitachi, Matsushita, Toshiba cement LCD venture plan | Computerworld", "Panasonic-Toshiba venture to shut Malaysia CRT plant", "Panasonic China stops CRT TV production at Shandong plant", "Retrotechtacular: Some Of The Last CRTs From The Factory Floor", "Samsung SDI Struggles to Close CRT Lines", "Samsung SDI halts CRT production in Malaysia plant - Pulse by Maeil Business News Korea", "Samsung SDI halts CRT production in Malaysia plant", "Cathode Ray Technology B.V. Engineering Model Type D10-XXX", "Videocon shuts down furnaces - and stokes concerns", "With demand dwindling, questions swirl around Videocon", "Videocon begins accepting CRT glass again", "Ekranas files for bankruptcy, Vilniaus Vingis braces for worst", "LG.Philips seeks bankruptcy protection in Europe", "LCD plant coming soon after CRT close-down", "Samsung introduces 2007 LCD, plasma, DLP and CRT lineup", "World's thinnest CRT TV bucks all trends", "LG Presents the Slimmest CRT TV Display", "LG Goes Retro, Introduces New CRT TV | TechHive", "Rise of flat-screen televisions lowers the curtain on the bulky box", "LG.Philips Displays ups production of slim CRTs", "Samsung unveils HDTV-compatible CRT - Audio Visual - News - HEXUS.net", "The future is flat as Dixons withdraws sale of 'big box' televisions", "Donkey Kong's failing liver: What the death of the CRT display technology means for classic arcade machines", "The Iconic Boeing 747 Heads Into The Sunset. [366] The rim band prevents the CRT from imploding should the screen be broken. The devices hooked up to computers through a cable that commonly transmitted code only for text characters--no graphics. The iMac G3 was obsolete by this point, but low-cost machines were particularly important for the education market. This problem does not occur on 100/120 Hz TVs and on non-CGA (Color Graphics Adapter) computer displays, because they use much higher horizontal scanning frequencies that produce sound which is inaudible to humans (22 kHz to over 100 kHz). It costs about €3.50 ($5.30) to properly dispose of an old CRT monitor in Germany. C $836.04. Mac monitors continued to evolve with the times, always known for their sharpness and accurate color representation. 4.2 out of 5 stars 8. CRTs are able to correctly display the often 'oddball' resolutions that many older consoles use. Vintage Dell M782 CRT Monitor 17" flat not rounded Color Screen VGA Connection. The CRT monitor is attached with Power plug and VGA cable. Photos: Radio Shack (left), Shane Doucette. Also known as a video display terminal or a display screen, the monitor is the part of the computer system responsible for displaying data and messages that are utilized and processed by the CPU. The United States Environmental Protection Agency (EPA) includes discarded CRT monitors in its category of "hazardous household waste"[567] but considers CRTs that have been set aside for testing to be commodities if they are not discarded, speculatively accumulated, or left unprotected from weather and other damage.[568]. [186], Concerns about x-rays emitted by CRTs began in 1967 when it was found that TV sets made by General Electric were emitting “X-radiation in excess of desirable levels”. RCRA exclusion for cathode ray tubes finalized. CRT monitors are ruggedized for use in control room, factory floor, or process applications. These LCDs used less desk space, consumed less electricity, and generated far less heat than CRTs, which made them attractive to early adopters. High vacuum inside glass-walled cathode-ray tubes permits electron beams to fly freely—without colliding into molecules of air or other gas. They remained the least expensive way to interface with computers until the mid-1970s. In 1981, the IBM PC shipped with a directly attached monochrome video display standard (MDA) that rivaled a video terminal in sharpness. In Europe, disposal of CRT televisions and monitors is covered by the WEEE Directive. These 25 deep, absorbing PC games will eat days of your life, Windows 10: The best tricks, tips, and tweaks, 10 surprisingly practical Raspberry Pi projects anybody can do, 22 terrifying PC horror games to play with the lights off. Shop our extensive selection of products and best online deals. CRTs have the best quality when watching analog programming such as on VHS or through an RF signal. Manufacturers began experimenting with a wide assortment of physical sizes (from 14 inches to 21 inches and beyond) and shapes (the 4:3 ratio or the vertically oriented full-page display). This model is modelled with industry standard quality with clean topology. [576][577][578][356] A CRT contains about 7g of phosphor. China CRT Monitor wholesale - Select 2021 high quality CRT Monitor products in best price from certified Chinese Monitor manufacturers, Colour Monitor suppliers, wholesalers and factory on … It wasn't long before someone realized that they could use even more CRTs to show the contents of that CRT-based memory (as shown in the two computers on the left). Internal mechanism of LCDs use a crystal liquid for its working. Aggarwala, 1985, Television for you, Delhi, India. LCD monitors can be pretty light, weighing as little as 8 to 10-pounds. Such radiation of a potentially exploitable signal, however, occurs also with other display technologies[564] and with electronics in general. As an alternative to punched cards, many early computers used long rolls of paper tape punched in a pattern that represented a computer program. By the 1950s, engineers were hooking teletypes up to computers directly, to use them as display devices. Price: Because of the popularity of LCD monitors the price of most CRT monitors is very cheap. Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} 19 in-22.9 in. Almost every analog video standard since then has built off of VGA (and its familiar 15-pin connector). [6] The phosphors used in CRTs often contain rare earth metals. $69.99 $ 69. Photos: Computer History Museum, IBM, Benj Edwards. A person then dropped a stack of cards into the computer, which read and ran the program. Only 6 left in stock - … h) or 36 pA/kg) at a distance of 5 cm (2 in) from any external surface; since 2007, most CRTs have emissions that fall well below this limit. LCD monitors can encounter dead pixels, which causes small black or other colored dots in the display. This Video will cover the Structure and Operation of CRT Monitor. Get it as soon as Thu, Apr 8. Yet another alternative display technology--the liquid crystal display--arrived on the scene in the 1960s and made its commercial debut in pocket calculators and wristwatches in the 1970s. Even after the power supply is turned off, some associated capacitors and the CRT itself may retain a charge for some time and therefore dissipate that charge suddenly through a ground such as an inattentive human grounding a capacitor discharge lead. It wasn't until the Macintosh II (1987) that the Mac line officially supported both color video and external monitors. CRT stands for cathode ray tube. Typically only low-end monitors run at such low frequencies, with most computer monitors supporting at least 75 Hz and high-end monitors capable of 100 Hz or more to eliminate any perception of flicker. ", "Anode connector assembly for a cathode ray tube", "Inner surface specular reflection suppression in flat CRT faceplate", "Electrical grounding of CRT antistatic/antireflective coating", "Color cathode ray tube and water resistant glass frit", https://www.glass-ts.com/userfiles/files/2003-08%2520New%2520Approach%2520to%2520Cathode%2520Ray%2520Tube%2520(CRT)%2520Recycling.pdf, "The Cathode Ray Tube site. The FDA eventually began regulating radiation emissions from all electronic products in the US.[545]. Video displays proved far faster and more flexible than paper; such terminals became the dominant method for interfacing with computers in the early to mid-1970s. Weight: A CRT monitor can weigh 40-pounds or more depending on the size of the monitor. However, since CRTs may stay on for several hours at a time, the amount of x-rays generated by the CRT may become significant, hence the importance of using materials to shield against x-rays, such as the thick leaded glass and barium-strontium glass used in CRTs. Surface-conduction electron-emitter display, Comparison of CRT, LCD, Plasma, and OLED displays, United States Environmental Protection Agency, "Power supply stabilization circuit with separate AC/DC negative feedback paths", repairfaq.org – Sam's Laser FAQ – Vacuum Technology for Home-Built Gas Lasers, "Remember when TVs weighed 200 pounds? In 1987, IBM introduced the VGA video standard and the first VGA monitors, in league with IBM's PS/2 line of computers. Save this search. Dieser kann mittels magnetischer oder elektrischer Felder abgelenkt bzw. * 3D Displays and TVs Will Be Ubiquitous at the 2011 Consumer Electronics Show, * The Cheapskate's Guide to Buying LCD Monitors. With video outputs came the ability to use ordinary television sets as computer monitors. An average monochrome CRT may use 1 to 1.5 kV of anode voltage per inch. 16 in-18.9 in. The Atari ST series and the Commodore Amiga series both came with proprietary monochrome and RGB monitors that allowed users of those systems to enjoy their computer's graphics to the fullest. The CRT Monitor 3D model. A look back at TV trends over the years", "Cathode-ray tube and its manufacturing method, and electron gun", "Home Page for ECE 3065 -- Electromagnetic Applications", "Ueber ein Verfahren zur Demonstration und zum Studium des zeitlichen Verlaufs variabler Ströme", "Distant Electric Vision (first paragraph)", "Alan Archivald Campbell-Swinton (1863–1930)", "RCA Surrenders Rights to Four Trade-Marks", "Jan. 29, 1901: DuMont Will Make TV Work", "Motorola Prototype Rectangular Color CRT", "Raytheon Model M-1601 console television receiver | Science Museum Group Collection", "RCA pioneers remember making the first color TV tube", "US Patent for Color picture tube Patent (Patent # 3,989,977 issued November 2, 1976) - Justia Patents Search", "Rare earth activated indium borate cathodoluminescent phosphors", "Rare earth activated yttrium and gadolinium oxy-chalcogenide phosphors", "Cathode ray tube color screen and method of producing same", "The Cathode Ray Tube site, Cathode Ray Tubes", "CBS and Westinghouse 22 Inch Rectangular Color Tubes", "50 Years Ago: The World in 1961 - The Atlantic", "Flat Screen TV in 1958 - Popular Mechanics (Jan, 1958)", "TV MAKERS TUNING IN TO FLAT SCREENS TO HELP ROUND OUT SALES", "Toshiba : Press Releases 21 December, 1995", "IDC: LCDs to outsell CRT monitors in 2003 | Computerworld", "LCDs Overtake and Outsell CRTs in Q3 2004! Television CRT's", "Recent Developments in Reducing Bulkiness of CRT Glass Bulbs", "Cathode structure for color cathode ray tube", "Cathode ray tube having symmetrical anode potential", "Method for applying an internal coating to a cathode ray tube", "Navy Electricity and Electronics Training Series (NEETS), Module 6", "Cathode-ray tube with aluminized screen", "What is CRT (Cathode Ray Tube)? A recent industry trend emphasizes monitors that support 3D through special glasses and ultrahigh refresh rates. oscilloscope crt's", "SER FAQ: TVFAQ: Additional information on discharging CRTs", "TV and Monitor CRT (Picture Tube) Information", "Method of fabricating a cathode ray tube having a conductive metallic coating therein", "CRT funnel coating apparatus and method", "Buyer's Guide: High End System - July 2004", https://hardforum.b-cdn.net/data/attachment-files/2020/08/368434_LRG_DSC04662.jpg, "The Cathode ray Tube site. Copyright © 2021 IDG Communications, Inc. Next Up: Check out these related slideshows, Learn more about PCWorld's Digital Editions, 3D Displays and TVs Will Be Ubiquitous at the 2011 Consumer Electronics Show, The Cheapskate's Guide to Buying LCD Monitors. It was discovered that most of the radiation was directed downwards. cathode ray tube, abgekürzt CRT, auch Braunsche Röhre) ist eine Elektronenröhre, die einen gebündelten Elektronenstrahl erzeugt. Geschichte Menü Geschichte aufklappen. (2006). The Previews are rendered using Blender Cycles. [558] Older CRTs were mounted to the TV set using a frame. 5 out of 5 stars (1) 1 product ratings - PVM-1354Q SONY TRINITRON COLOR VIDEO MONITOR, SEE IMAGES, MAKE YOUR CHOICE. FREE Shipping on orders over $25 shipped by Amazon. It was later found that TV sets from all manufacturers were also emitting radiation. During this time, Apple had all but eliminated CRT displays from its product line. CRTs work with electrons that are emitted from an electron gun. PVM-1354Q SONY TRINITRON COLOR VIDEO MONITOR, SEE IMAGES, MAKE YOUR CHOICE. With most TV sets becoming fully digital, the lines between monitor and TV are beginning to blur just as they did in the early 1980s. Photos (clockwise from top): Computer History Museum, MITRE, DEC, Onno Zweers. While the TCLP process grinds the glass into fine particles in order to expose them to weak acids to test for leachate, intact CRT glass does not leach (The lead is vitrified, contained inside the glass itself, similar to leaded glass crystalware). moduliert werden, so dass ein sichtbares Bild erzeugt wird, wenn der Elektronenstrahl beim Auftreffen auf eine an der Innenseite der Röhre angebrachte Leuchtstoff -Schicht trifft. The unwanted beams are blocked or "shadowed." [560] The PVA glue degrades over time creating a "cataract", a ring of degraded glue around the edges of the CRT that does not allow light from the screen to pass through. There once was a proposal by two New York congressmen that would have forced TV set manufacturers to “go into homes to test all of the nation’s 15 million color sets and to install radiation devices in them”. To write a program, an operator typed on a typewriter-like machine that encoded the instructions into a pattern of holes punched into a paper card. Ever since desktop LCD monitors first outsold CRT monitors in 2007, their sales and market share have continued to climb. Take a good look at this paragraph. Die Geschichte der Monitore Sie würden das hier nicht lesen, wenn es keinen Monitor gäbe. iKKEGOL 5 ft 1.5M USB 2.0 KVM Switch Cable, 15 Pin VGA Male to Male and USB A to USB B Printer Cord for CRT PC Monitor KVM Switcher. [556], To accelerate the electrons from the cathode to the screen with sufficient velocity to achieve sufficient image brightness, a very high voltage (EHT or extra-high tension) is required,[561] from a few thousand volts for a small oscilloscope CRT to tens of kV for a larger screen color TV. Today, LCD monitors (many widescreen) are standard across the PC industry (except for tiny niche applications). This replacement monitor compatibility is made possible by DDI's proprietary A/D converter and our extensive library of industrial video signal formats, compiled during our many years of manufacturing CRT displays for some of industries largest OEMs. Try these curated collections. That capability soon became standard in the industry. [563] Special TEMPEST shielding can mitigate this effect. 213 results for crt monitor. In the mid-1990s, just about all monitors--for PCs and for Macs--were beige. definition, block diagram and working of CRT", "A projection graphic display for the computer aided analysis of bubble chamber images", "SER FAQ: TVFAQ: Arcing, sparking, or corona from CRT HV anode (red wire/suction cup)", "SER FAQ: TVFAQ: Removing the CRT HV connector", "Apparatus for fusion-welding anode button to crt funnel", "Official Gazette of the United States Patent Office", "Connector assembly for anode button of a cathode ray tube", "Connector assembly for anode ring of cathode ray tube", "Understanding The TV Horizontal Output Stage", "Glass support rod for use in electron-gun mount assemblies", "Method for heat sealing a gun mount in a CRT neck", "Narrow-neck CRT having a large stem pin circle", "Method for spot-knocking an electron gun assembly of a cathode ray tube", "Method for spot-knocking an electron gun mount assembly of a CRT", "Indirectly heated cathode body structure for cathode-ray tube", "Function of Electron Gun Assembly in CRT (Cathode Ray Tube)", "Method of manufacturing cathode assembly", "Cathode assembly for CRT electron gun - has protective screen around cathode emitter between emitter and hole in insulator support of cylindrical grid electrode", "Sencore Blows Away CRT Failures With CR7000", "Electronic tube cathode, long-life electronic tube tube and its making process", "CRT Restoration for the (Brave) Experimenter", "CRT Innovations - Page 4 of 7 - ExtremeTech", "CRT Innovations - Page 5 of 7 - ExtremeTech", "Multi-beam group electron gun with common lens for color CRT", "Sci.Electronics.Repair FAQ: Notes on the Troubleshooting and Repair of Computer and Video Monitors", "SER FAQ: TVFAQ: Focus drift with warmup", "SER FAQ: TVFAQ: Red, green, or blue retrace lines", "SER FAQ: TVFAQ: White/gray retrace lines", "AN-656 Understanding the Operation of a CRT Monitor", "CRT Projector Focus & Mechanical Aim Basics by Guy Kuo", "Method of forming a frit seal between a stem and a neck of a cathode ray tube during manufacturing of a cathode ray tube", "Dynamic focus circuitry for a CRT data display terminal", "Method of manufacturing a cathode ray tube", "Partial voltage resistor of electron gun structure", "Cathode Ray Tube (CRT) Direct View and Rear Projection TVs", "CRT deflection unit and its method of manufacture", "CRT deflection yoke with rigidifying means", "Color picture tube apparatus having beam velocity modulation coils overlapping with convergence and purity unit and ring shaped ferrite core", "Crt geometry correction with zero offset", "Deflection yoke and yoke core used for the deflection yoke", "SER FAQ: TVFAQ: Deflection yoke testing", "STMicroelectronics Unveils the World's First Vertical Deflection Booster for Slim CRT Displays", "Oscilloscope deflection yoke with heat dissipation means", "Navy Electricity and Electronics Training Series (NEETS), Module 16", "PERSONAL COMPUTERS; How To Avoid Burn-In", "Method for combined baking-out and sealing of an electrophotographically processed screen assembly for a cathode-ray tube", "Cathode ray tube and a ventilator used in its baking process", "Method of degassing a cathode-ray tube prior to sealing", "Method for combined baking-out and panel-sealing of a partially-assembled crt", "Method for sealing-off cathode-ray tube", PROPOSED IMPROVEMENT IN EVACUATION TECHNIQUE FOR TV TUBES, "Method for baking and exhausting electron discharge devices", "Electrical heating unit for sealing vacuum electron tubes", "Cathode-ray tube having antenna getter with bimetallic insertion device", "Evaporable getter device for cathode-ray tubes", "Cathode ray tube, getter, and method of gettering", "Prevention of fracture in glass cathode-ray tubes", "Method for producing cadmium free green emitting CRT phosphor", "Process for coating a phosphor slurry on the inner surface of a color cathode ray tube faceplate", "Implementing Display Standards in Modern Video Display Technologies", "Method and structure for metalizing a cathode ray tube screen", "Flat color cathode-ray tube with phosphor index stripes", "US Patent for Method for manufacturing a metallized luminescent screen for a cathode-ray tube Patent (Patent # 5,800,234 issued September 1, 1998) - Justia Patents Search", "Method of manufacturing a phosphor screen for a CRT using an adhesion-promoting, blister-preventing solution", "Notes on the Troubleshooting and Repair of Television Sets", "SER FAQ: TVFAQ: Blooming or breathing problems", "Method for making shadow mask for color picture tube and a shadow mask made thereby", "Shadow mask having a layer of high atomic number material on gun side", "Warp-free dual compliant tension mask frame", "Shadow mask having conductive layer in poor thermal contact with mask", "Blackening of Ni-Based Ftm Shadow Masks", "Blackening of non iron-based flat tensioned foil shadow masks", "Shadow mask mounting arrangement for color CRT", "Flat tension mask type cathode ray tube", "Cathode ray tube with bracket for mounting a shadow mask frame", "Color cathode ray tube with improved shadow mask mounting system", "Method for pre-stressing CRT tension mask material", "US4929209A - Method of aging cathode-ray tube", "SER FAQ: TVFAQ: Arcing from flyback or vicinity", "Inside the desperate fight to keep old TVs alive", "Cathode ray tube having a deflection yoke with heat radiator", "CRT Innovations - Page 3 of 7 - ExtremeTech", "Samsung Refusing to Pull Plug on CRT Televisions", "Color CRT with shadow mask having peripherally grooved skirt", "Color picture tube socket with spark gap", "Process of aluminizing cathode ray tube screen", http://www.earlytelevision.org/postwar_crts.html, http://www.earlytelevision.org/14ap4_construction.html, "In-line electron gun structure for color cathode ray tube having oblong apertures", "Cathode ray tube device with an in-line electron gun", "Making shadow mask with slit-shaped apertures for CRT", "SEVERAL COMPANIES WORKING ON FLATTER, CLEARER TV SCREENS", "External connective means for a cathode ray tube", "Color cathode ray tube with metallic contactor ribbon bonded on inside wall of tube between the high voltage terminal and the shadow mask frame", "Method of making multicolor CRT display screen with minimal phosphor contamination", "Color CRT shadow mask with wrinkle-free corners", "Official Gazette of the United States Patent and Trademark Office: Patents", "photo-sensitive compound and photo-resist resin composition for forming black matrix of CPT containing effective amount thereof", "Method for forming a black matrix on a faceplate panel for a color CRT", "Black matrix and a phosphor screen for a color cathode-ray-tube and production thereof", "Water-soluble photocurable resin compsn.
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