1、EIA TEP131 (COLOR) 73 3234600 0007986 8 -: 4 c CRITERIA FOR BULB PARTS FOR COLOR PICTURE TUBES .- J U LY 1973 t - FORMULATED BY JEDEC ELECTRON TUBE COUNCIL JEDEC PUBLICATION NO. 31 (COLOR) Published by ELECTRONIC I NDUSTRI ES ASSOCIATION Engineering Department 2001 Eye Street, N. W., Washington, D.
2、C. 20006 a CRITERIA FOR BULB PARTS FOR COLOR PICTURE TUBES JDEC Publication No.31 (Color) EIA TEP131 (COLOR) 73 N 323YhOO 0007989 3 3 GENERAL INDEX SECTION A - GENERAL INFORMATION Page Scope 1 Bulb Parts and Safety Panel Index 2 Nomenclature 5 Color Tube Panel, Funnel, .and Safety Panel Registration
3、 Procedure 6 Terminology 7 Test Method for Compaction 12 General Quality Criteria for Rectangular CTV Panels 13 General Quality Criteria for Rectangular CTV Funnels 19 Summary of Minimum Screen Dimensions 23 Glass Properties 24 Code - Panel and Funnel Titles 25 Panel and Funnel Assembly Average Weig
4、hts 26 Reference Data and Standards 27 SECTION B - SPECIFICATION AND CRITERIA FOR 21“70“ ROUND COLOR PARTS Panel Funnel Safety Panel SECTION C - GAUGING Beam Clearance . SECTION D - CRITERIA FOR RECTANGULAR COLOR PARTS Ten V Glassware Twelve V Glassware Fourteen V Glassware Sixteen V Glassware Seven
5、teen V Glassware Eighteen V Glassware Nineteen V Glassware - Twenty V Glassware . Twenty-one V Glassware Twenty-three V Glassware Twenty-f ive V Glassware 28 35 40 41 10.10 12.10 14.10 16.10 17.10 18.10 19 10 20. IO 21.10 23.10 25.10 - - i EIA TEP131 (COLOR) 73 W 3234600 0007990 T W ! SECTION A GENE
6、RAL INFORMATION 7 a EIA TEP333 (COLOR) 73 3234600 0007993 3 SCOPE This publication provides the criteria of color television picture tube parts and safety panels. Other television picture tube parts are being produced, new parts undoubtedly will be produced after this is issued, and the amounts of c
7、ommercial interest in different parts has been known to fluctuate considerably. Therefore, no deductions shauld be drawn from the inclusion or exclusion of a particular part from this document. -1- - EIA TEP131 (COLOR) 73 = 3234600 0007992 3 W BULB PARTS AND SAFETY PANEL INDEX Bulb Part No. Descript
8、ion Sect ion FP8 7 1OV Rect. Panel (3 pin) B .FP102 3/4 12V Rect. Panel (3 pin) B (4 Pin) FP118 FP139 FP471 FP155 1/2 FP161 3/4 FP173 3/4 1i FP177 3/4 FP196 1/2 .FP209 3/4 SAFETY PANELS 14V Rect. Panel (3 pin) (4 Pin) (4 Pin) 16V Rect. Panel (3 pin) 17V Rect. Panel (3 pin) 18V Rect. Panel (3 pin) (4
9、 Pin) (4 Pin) (4 Pin) (4 Pin) (4 Pin) (4 Pin) 19V Rect. Panel (3 pin) 20V Rect. Panel (3 pin) 21V Rect. Panel (3 pin) 23V Rect. Panel (3 pin) 25V Rect. Panel (3 pin) 14V Safety Panel 16V Safety Panel 18V Safety Panel 19V Safety Panel 20V Safety Panel 21V Safety Panel 23V Safety Panel B 25V Safety Pa
10、nel B 21“ Round -2- C Page 10.10 12.10 12.20 14.10 14.20 16.10 16.20 17.10 18.10 18.20 19.10 19.20 20.10 20.20 21.10 21.20 23.10 23.20 25.10 25 20 14.40 16.40 18.40 19.40 20.40 21.40 23.40 Q 25.40 13 - -_ EIA TEP131 (COLOR) 73 m 3234600 0007993 5 m ? a *i a BULB PARTS (continued) Bulb Part No.* De s
11、cr ip t ion Section 5276 10V 70 Rect. Funnel B 5327 12V 90 Rect:. Funnel B 5375 14V 90 Rect, Funnel B 5441 5449 5493 5493 5510 16V 90 Rect. Funnel B 17V 90 Rect. Funnel - B 18V 90L Rect. Funnel 18V llOo Rect. Funnel 19V 90 Rect. Funnel 5510 19V llOo Rect. Funnel B 5550 5561 20V 90 Rect. Funnel B 21V
12、 90 Rect. Funnel B 5621 23V 90 Rect. Funnel B 5663 25V 90 Rect. Funnel B 5663 25V 110 Rect, Funnel B *New JEDEC title designation in millimeters. Page 10.30 12.30 14.30 16.30 17.30 18.30 18.35 19.30 19.35 20.30 21.30 23.30 25.30 25.35 EIA TEP131 (COLOR) 73 m 3234600 0007994 7 m II COLOR BULB PARTS N
13、OMENCLATURE e 1 _ Qual ity Area. A circular or rectangular area, concentric with the center of t_he bulb face, over which the optical qual i ty is important. - Face, Area on panel through which the luminous pattern is viewed. around. panel at which is determined the. maximum outside panel dimensions
14、. - Skirt. Area on panel between the mold match line and the seal edge. Studs. Glass or metal parts molded or sealed to the bulb for the support of internal .assembl es. Contact Button. A metal button sealed into the funnel wall for the purpose of making electrical connectiori. C-D Line. Line perpen
15、dicular to bulb axis which marks terminating of body curvature as seen in bulb outlirie. From this line the bulb outline proceeds in a straight line to the neck. Reference Line. Line determined by a gauge (of a specified contour) which -. fits around the funnel neck section. i -4- .“Splice Line. Loc
16、ation of joint where two glass parts are sealed together. Sealinq Zone. Area in which stem seal is made by a tube manufacturer. Cullet. Neck section cut-off in the Flare. Section at open end of bulb where the diameter is increased by flaring. /- -Mold Match Line. (where appl cable) Ridge * manufactu
17、rers gun seat ing operation. Aliqnment Aids. the purpose of alignment during the tube manufacturing processes. Integral glass or metal shapes molded or sealed to the bulb for * BULB PARTS DESIGNATION ANS Standard C79.l-g61 provides the following basis for designating- CRT bulbs: 1. A first letter (o
18、r letters) symbol indicates the shape classification to which 2, A first number. symbol indicates .in eighths of an inch the design dimension of the bulb part belongs, the major diameter of that part of the bulb above the CD line, above but differing in other features above the CD line except for an
19、ode connectors other than below the CD line. other than the number, location, or type of anode connectors. *3. A second letter symbol distinguishes betwen bulbs alike with respect to 1 and 2 *4. A second number symbol distinguishes between bulbs which are alike in all respects 3k5. A third letter sy
20、mbol distinguishes between bulbs which are alike in all respects *Parts designation applies only to color TV funnels, *See new “Panel and Funnel Registration Procedure“, Page 6. -_ .- . thermal cycle is called compaction. A metal button sealed intothe unne1 wall for the purpose of making eleckrical
21、connection. - 7-_ - - . EIA TEPLIL (COLOR) 73 m 3234600 0007997 2 m TERMINOLOGY - continued Contour Specified surface profile. Cord A narrow band of nonhomogeneous glass having physical Cord Strain Strain in glass due to presence of cord. This type of properties differing from the surrounding glass.
22、 strain cannot be removed by annealing. Fissure extending through the wall of the glass. Crack Crush Cullet Gray or white translucent area of surface abrasion somewhat circular in shape. The portion of the neck on a bulb that is cut off and discarded by the tube manufacturer. Cutoff Deflection Angle
23、 The finish i reulting from the operation of cutting glass. As applied to cathode ray tube bu1bs;twice the angle in- cluded between the center line(axis)of the bulb,and a straight line connecting the apparent center of deflection (as simulated by a cone or I.S. plug gage)with the terminal point of t
24、he screen diagonal. Dirt - A particle of foreign material imbedded in the glass surface,sometimes exhibiting tails or strings. Dirty Bulb A bulb that has oil,wax,rust spots ,or other sedimentary material on its surface,either inside or outside,but not including extraneous matter,such as dust,haze,or
25、 lehr smoke. or lower portion of skirt. Edge Ro3.1 or Slump Reverse curvature or roll occurring on the inside face .e Etched (non-glare) Face II_ Face - Contour Vari a tion Face Piate or Pressed Panel Fin _II Fire Crack (or Fire Polish (or Flare thermal crack) glaze) Flare, Cracked or Broken Flare,E
26、ccentric Flare Opening A non-glare glass surface produced by chemical treatment. The top of the tube through which the luminous pattern is viewed. Variation in the inside or outside face surface contour, such as “bulls-eye or “suck-up“. That portion of the tube which forms the face when pressed as a
27、 separate unit. A projection of glass occurring when glass is forced into a seam between mold parts. A fissure extending into or through the wall due to local application of heat. , To make a glass surface smooth, rounded, or glossy by heating in a fire. The enlarged portion at the open end of the n
28、eck. A clean break or crack extending through flare into shoulder or more than 1/3 the circumference of the flare. The flare of a tube not concentric with the axis of the bulb. The inside diameter of the tube at the flare. -8- EIA TEP131 (COLOR) 73 m 3234b00 0007998 4 m TERMINOLOGY - continued Finel
29、y divided glass particles usually suspended in a vehicle. Frit Seal The joining of two glass surfaces with frit by thermal process. Funnel The area of the bulb between seal edge and neck splice. Glass Knot A small transparent area of incompletely assimilated glass having a irregular, knotty or tangl
30、ed appearance. Gob Mark A hazy area on the inside surface of the panel resulting Gray Contrast Grayish (non-polished) appearance to surface of glass. Impact Mark (Out- A hazy area resulting from the molten glass contacting from molten glass contacting the plunger. side surface) Che mold parts. Inden
31、ted or Dimple A tube whose contour is irregular due to indentations. Loading Mark Mold Mark Mold Marked,Side Mold Marked,Top or Side Mold Ringed, Top Mold Seam Oil Spot Opaque Spot Out-o-Round Pits Plunger Score Pressed Glass Quality Area - Reboil A fold in the surface. Minute variable indentations
32、on the surface of the glass. (Normally caused by trapped air.) Mark on the surface of glass, (Resulting fxom imperfec- ions on the surface of the molding equipment.) Side of tube -has a “pinched“ appearance. Tp surface of tube contains spiral-like undulations. Surface of tube contains circumferentia
33、l undulations. The imprint of glass surface resulting from the joint of two mold parts. (Sometimes referred to as “mold match line“. ) A,spot usually circular and hazy with a mottled surface. (Caused by the reduction of oil to carbon on the molding equipment.) A defect in or on the glass through whi
34、ch light will not pass. A variation from a true circular cross section. Small depressions in the bulb surface. Mark on inside surface of glass, usually skirt area. Glassware formed by pressure between a mold and a plunqer. A specified circular or rectangular area Concentric with the center of the bu
35、lb face over which the optical quality is important. Gaseous inclusions in the glass caused by rapid heating when softening glass for sealing purposes. I EIA TEP131 (COLOR) 73 = 3234600 0007979 b /6 TERMINOLOGY - continued Reference Line An arbitrary plane of reference at 90 to the bulb a axis defin
36、ed by the location - when seated against the bulb - of a particular plane of an outside ring gage whose bore geometry is specified. Rim(Hee1 Radius) Roll Marks Rust , Rouge, or Safetv Panel Scale Scale Scratch Scuff Seal Edge Sealing Line That ilma of relatively small radius between the bulb face ar
37、id side wall. A series of short parallel surface abrasions. Small particles of contamination adhered to or embedded in the surface of the glass. Sheet glass fabricated by bending and partially tempering (polished or etched for lamination to picture tube face: reduces risks of implosion and of x-radi
38、ation emission!. A small piece of metallic oxide or carbon embedded in the glass. An elongated-abrasion which glistens as viewed in p.ormal relective lighting. A series of small abrasions in the surface of the glass. The area of panel and funnel which are joined by frit sealing. These may be as form
39、ed or ground and acid fortified. The circumferential line that marks the nominal location at which the bulb is sealed off by the tube manufacturer. Sealing Zone Area in which a stem seal is made by the tube manufacturer. Seed Small blister 0.030“ or less in diameter. Shear Mark A flaw in the glass c
40、aused by shearing of the glass prior to forming . diameter, Shoulder The abrupt change to a larger diameter from a smaller Side of Bulb The portion between the diameter and the CD line. Skirt Side of panel. Softening Point The temperature at which the glass has a viscosity of 107.65 poises. Method C
41、 338.) (For test procedure see ASTM Test Spew A streak of finely divided foreign material or small seeds in the glass or on the surface. Stipple Uniformly irregular or pebbled appearance to glass surface. Splice Zone Deformed area where two glass parts are sealed. EIA TEP131 (COLOR) 73 I 3234b00 O00
42、8000 7 I TERMINOLOGY - continued Stone Strain Strain Point Studs - Siding Streak Suck-up nfill Weathering Working Point A piece of undissolved or recrystallized batch, silica, or refractory embedded in the glass, usually opaque and readily visible. An internal deformity caused by tensile and/or comp
43、ress forces existing within the glass. The highest temperature from which glass can be cooled rapidly without imparting permanent strains of appreciable magnitude. glass has an apparent viscosity of poises. (For test procedure see ASTM Test Method C 336.) Glass or metal parts molded or sealed to the
44、 bulb for the support of internal assemblies. Variation in wall thickness in any one cross section. A departure from the intended shape resulting from a change in glass distribution when the plunger is removed. The temperature at which the Area which has not been fully filled to the designed contour
45、. A surface decomposition resulting from attack by atmospheric elements, normally appears as a white residue. The temperature at which the glass is ready for working. of 104 poises. The point at which the glass has a viscosity -ve EIA TEP131 (COLOR) 73 = 3234600 O008001 9 = TEST METHOD FOR COMPACTIO
46、N a l. Cut 2 bar samples from center of panel and grind to approximately 1/4“ square cross-section and approximately 4“ to 5“ long. 2. Taper ends and round points with a diamond polishing wheel to about a 1/32“ radius. Using Pratt and Whitney super-micrometer or the equivalent, measure lengths of bo
47、th samples and record the difference. Retain one sample as the standard and heat treat the other on a simulated seal cycle. 3. 4. Heat uniformly to 450C 10C/min. Hold at 45OOC +5OC for 1 hour. Cool to 4OOOC 2“/min. Cool 400C to 350C 3 1/2“ min. Cool 350C to 80C 5“/min. 5. After samples have stabiliz
48、ed at room temperature, remeasure both samples and calculate change. nitial Gauina LI = arbitrary anvil separation, inches. Lo = micrometer drum reading for test specimen, inches. Ls = micrometer drum reading for standard specimen, inches. The value tabulated in the data book is simply Lo-LSE since
49、this is the difference in length between the test specimen and the standard. (Ll + Lo) - (Li + Ls) = Lo - L, Gaging After Heat Treating the Test Specimen. L2 = arbitrary anvil separation, inches. L3 = micrometer drum reading for the test specimen, inches. The value tabulated .in the data book is L3 - Ls representing the new difference in length between the test specimen and the standard. (Li + L3) - (L2 + Ls) = L3 - L, The change in length, LL, of the test specimen is then: (Lo - Ls) - (L3 - Ls) = Lo - L3 = .AL The true l
