SJ/T 10548-1994 Detailed Specification for Blank Space of Color Picture Tube Glass Screen (for certification) SJ/T10548-1994 Standard Download Decompression Password: www.bzxz.net

Electronic Industry Standard of the People's Republic of China
SJ/T10548-94
Blank detail specification for panel of colour picture tube bulbs
Blank detail specification for panel of colour picture tube bulbs (available for certification)
Published on 1994-08-08
Implemented on 1994-12-01
Published by the Ministry of Electronics Industry of the People's Republic of China Electronic Industry Standard of the People's Republic of China
Blank detail specification for panel of colour picture tube bulbs (available for certification)
SJ/T10548-94
This blank detail specification is a supplementary document to SJ/T10543 "General specification for glass bulbs of colour picture tubes". It specifies the format adopted by the detailed specification and the contents included. Description of the front page of a blank detailed specification
The numbers in square brackets on the front page of a blank detailed specification shall correspond to the description given below. Identification of the detailed specification
[1] Name of the national standards body authorized to draft the detailed specification. [2] IEC symbol and number of the national detailed specification given by the IECQCMC. [3] Number of the national general specification.
[4 National number or other number of the detailed specification. Date of publication and any further information required by the national system together with any revision number (if published). Identification of color picture tube screens
[5] Brief description of the screen.
[6] Typical structural information (if required) [7 Appearance drawings and (or) relevant reference documents of the appearance drawings. [8] Purpose.
[9] Reference data on the main properties of various screens for comparison. Approved by the Ministry of Electronics Industry of the People's Republic of China on August 8, 1994, and implemented on December 1, 1994
Quality assessment is in accordance with SJ/T10543
Detailed specification
1. Description and structure
2. Glass brand
b. Shape characteristics
* Color CRT glass screen
c. Outer diameter of mold ring line (panel size)
One major axisbZxz.net
One minor axis
One diagonal
d. Outer diameter of sealing surface
One major axis
One minor axis
One diagonal
e. Light transmittance
t. Pin configuration
2 Related graphics (not for inspection)
Appearance drawing or related reference documents of appearance drawing
5 Characteristics (not for inspection)
5.1 Mechanical
Weight*kg
5.2 Environment (if required)
SJ/T10548-94
For the effectiveness of implementing this detailed specification, please refer to the relevant qualified product catalog. Note: "*" indicates the content that should be filled in the detailed specification, the same below. 2
4 Quality assessment level
Typical characteristics (not for inspection)
SJ/T10548-94
The detailed specification should select the following characteristics according to the design requirements of the glass screen. Minimum
Effective diameter (effective screen size)
—major axis
—minor axis
—diagonal
Chromaticity coordinates
Average linear thermal expansion coefficient (*～*℃)
Softening point
Annealing point
Strain point
X-ray absorption coefficient (0.06nm)
Volume resistivity
Dielectric loss (tg×10\)
Dielectric constant (1MHz, 20℃)
Ordering information
Related documents
Safety requirements
Structural similarity
Additional information
Test conditions and inspection requirements
10-×1/℃
The test conditions and inspection requirements are given in the following table. Depending on the requirements of the given glass panel, the test conditions used shall be specified in the detailed specification and shall be consistent with the corresponding test requirements in SJ/T10543 "General Specification for Glass Envelopes of Color Picture Tubes" or SJ/T14010 "Test Methods for Glass Envelopes of Cathode Ray Tubes".
Unless otherwise specified, all referenced clause numbers shall be the corresponding clause numbers in SJ/T10543 or SJ/T14010. Unless limited by the design of the glass panel, the detailed specification shall include the following inspections and tests. 3
All tests are non-destructive.
Inspection or test
Group A1
-Defects such as bubbles and opaque impurities on the effective screen
-Cracks
Group A2
Defects such as bubbles and opaque impurities in the area from the edge of the effective screen to the mold ring line
-Other defects
a. Scratches (outside the side)
e. Scissor marks
g. Glass adhesion||tt| |h. Dirt, marks and oil stains
1. Pockmarks on the inner surface of the effective screen
i. Defects in pins and pin sealing areas
k. Defects on the sealing surface
Group A3
-Defects such as bubbles and opaque impurities on the side-Scratches (on the side)
-Others
Inspection or test
Group B1
Distance from the pin plane to the inner surface of the screen
Group B2| |tt||One mold line perimeter
One pin spacing
One pin system offset
B3 grouping
Glass screen total height
One sealing surface outer diameter
SJ/T10548—94
Cited SIT
Cited SJ/T
Batch inspection
Test conditions
SJ/T10543
Batch inspection| |tt||Test conditions
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations
According to regulations|| tt||According to regulations
According to regulations
According to regulations
Inspection requirements
According to regulations
According to regulations
Inspection or test
c. Diagonal
One outer diameter of the mold ring (panel size)
One effective diameter (effective screen size)
One curvature of the outer surface of the screen
The periphery of a sealing surface
1. Thickness of center of screen
1. Parallelism of pin plane and sealing surface
(if required)
— Position of pin No. 3 (applicable to 4 pins
glass screen)
1. Width of sealing surface
1. Flatness of sealing surface
1. Inclination of sealing surface
SJ/T10548—94
Citing SI/T
(D) marked test items are Destructive test, inspection or test
C1 group
Surface roughness of screen inner surface (D)
C2 group
-Heat shock resistance (D)
C3 group
-Residual stress (D)
C4 group
-Pin sealing strength (D)
SJ/T10543
Test conditions
As specified
As specified Fixed
Width -*mm
Periodic inspection
Test conditions
As specified
As specified
As specified
Inspection requirements
As specified
As specified
Inspection requirements
As specified
Breaking is not allowed
If the detailed specification lists additional destructive tests, these tests should be marked \(D)\. *
Note: In the table, p represents the period (in months), n represents the sample size (in pieces), and C represents the number of unqualified products allowed (in pieces), the same below.
SJ/T1054894
Test items marked with (D) are destructive tests or inspections
D1 group
-Detailed dimensions
D2 group
Compressive strength (D)\)
D3 group
-Glass characteristics
a.Chromaticity coordinates
b. Light transmittance
d. Mean linear thermal expansion coefficient
e. Softening point
f. Strain point
g. Annealing point
lX-ray absorption coefficient
SJ/T10543
Approval inspection
Test conditions
SJ/T10543
As specified
As specified
As specified
As specified
As specified
As specified
As specified
As specified
As specified
If the detailed specification includes additional destructive tests, these tests should be marked with "(D)". Note: 1) This test is carried out simultaneously with the glass funnel being sealed with low-melting-point glass. Appendix to detailed specifications
Each detailed specification shall include the following applicable appendices: a. Defect specifications;
b. Appearance drawings. Give the dimensions of each group to be inspected. Additional notes:
This standard is under the jurisdiction of the Standardization Institute of the Ministry of Electronics Industry. Inspection requirements
See the appearance drawing
According to regulations
According to regulations
10×1/℃
Sampling
Analysis in accordance with
This standard was drafted by Henan Anyang Color Picture Tube Glass Shell Co., Ltd. and the Standardization Institute of the Ministry of Electronics Industry. The main drafters of this standard are: Zhou Zizheng, Sun Mingjiu, Li Xinqing, Pang Zhuoying, and Hu Zhenqing. 6
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