ASTM-F204 2002

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F204-76(2002) Standard Test Method for Surface Flaws in Tungsten Seal Rod and Wire

Published By	Publication Date	Number of Pages
ASTM	2002	2

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Category: ASTM

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Description

ASTM F204-76-Reapproved2002

Historical Standard: Standard Test Method for Surface Flaws in Tungsten Seal Rod and Wire

ASTM F204

Scope

1.1 This test method covers the determination of the presence of surface flaws in tungsten-seal rod and wire of random or cut lengths, and in the tungsten section of multiple-piece-through leads used in electronic devices, by means of examination of a glass bead sealed to the tungsten.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

glass bead; glass-to-metal seals; tungsten-glass seals

ICS Code

ICS Number Code 21.140 (Seals, glands)

DOI: 10.1520/F0204-76R02

Additional information