ASTM F 140 : 1998 : R2003
Superseded
View Superseded by
Standard Practice for Making Reference Glass-Metal Butt Seals and Testing for Expansion Characteristics by Polarimetric Methods
English
10-10-1998
11-11-2014
CONTAINED IN VOL. 15.02, 2017 Defines the preparation and testing of reference glass-metal butt seals of two general configurations: one applicable to determining stress in the glass and the other to determining the degree of mismatch of thermal expansion (or contraction).
| Committee |
C 14
|
| DocumentType |
Standard Practice
|
| Pages |
6
|
| ProductNote |
Reconfirmed 2003
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1 This practice covers the preparation and testing of reference glass-metal butt seals of two general configurations: one applicable to determining stress in the glass and the other to determining the degree of mismatch of thermal expansion (or contraction). Tests are in accordance with Test Method F 218 (Section 1.1).
1.2 This practice applies to all glass and metal (or alloy) combinations normally sealed together in the production of electronic components. It should not be attempted with glass-metal combinations having widely divergent thermal expansion (or contraction) properties.
| ASTM F 218 : 2013 : REDLINE | Standard Test Method for Measuring Optical Retardation and Analyzing Stress in Glass |
| ASTM F 47 : 1994 | Test Method for Crystalographic Perfection of Silicon by Preferential Etch Techniques (Withdrawn 1998) |
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