ARMY MIL-C-70498 (1)-1986 CIRCUIT CARD ASSEMBLY INTERCONNECT《电路板组装互连》.pdf

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1、MIL-C-70 4 9 8 (AR) AMENDMENT 1 21 March 1986 MILITARY SPECIFICATION CIRCUIT CARD ASSEMBLY, INTERCONNECT This Amendment forms a part of Military Specification MIL-C-70498(AR), dated 4 April 1985, and is approved for use within the U.S. Army Armament, Munitions and Chemical Command and is available f

2、or use by all Departments and Agencies of the Department of Defense. PAGE 14 4.6.1, line 8: Delete the fourth sentence starting with “Upon“ and substitute: “Upon completion of the 20 minute exposure, the temperature of the chamber shall be raised at the rate of 10% (180F) per minute plus or minus lO

3、C (1.80F) to -4OW (-4OOF). At- 40q, operating power shall be applied to the unit under test and shall continue to be applied until the end of each cycle. The chamber temperature shall then be raised at the rate of 10% (180F) per minute plus or minus 1% (i.80F) to +710C (+160OF) .“ 4.6.1, line 10: De

4、lete “+710F (+160%).“ and substitute “+71OC (+16O0F). “ Custodian: Army-AR I? repar ing act iv i ty : Army-AR (Protect 1220-A322) AMSC N/A 1 of 1 FSC 1220 Approved for public release; distribution is unlimited, DISTRIBUTION STATEMENT A. fi Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-