1、E 0b 2LLSL94 386 INCH-POUND MIL-F-48370A (AR) AMENDMENT 3 02 October 1999 SUPERSEDING AMENDMENT 2 19 January 1990 MILITARY SPECIFICATION FUZE, M934E6, HYBRID MICROCIRCUIT FOR This amendment forms a part of Military Specification MIL-F-48370A, dated 1 July 1985, and is approved for use by the U.S. Ar
2、my Armaments, Research, Development, and Engineering Center, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 * 2.1.1 Specifications and standards: .Specifications, Military: Delete “MIL-C-26074” in its entirety. Delete “MIL-M-385 1 O” and substitute “MIL
3、-PRF-38534 - Hybrid Microcircuits, General e Specification for PAGE 2 * 2.1.1: Federal Specifications, delete “QQ-S-766” in its entirety. Standards, delete “MIL-STD-202” in its entirety. * 2.1.2 Other Government documents, add the following: “SAEAMS2404 - Nickel, Electroless, Plating ASTM A 240 - St
4、eel, Stainless, Plate, Sheet, and Strip for Pressure Vessels, Heat-Resisting Chromium and Chromium-Nickel” 1 af5 FSC: 1336 DISTRIBtwON STAIEMENT A. A ved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-=
5、 99Ob 2335395 212 * * * * * * * * MIL-F-483 70A (AR) AMENDMENT 3 PAGE 3 3.1.4a: Delete first sentence and substitute “Iron, Nickel, Cobalt alloy (KOVAR) per MIL-1-230 1 1, Class I, ASTM F- 15. Delete “MIL-C-26074” in its entirety and substitute “SAEAMS2404” 3.1.4b, Delete “QQ-S-766, Class 304” in it
6、s entirety and substitute “ASTM A240, Type 304” 3.1.5, Delete first sentence and substitute “The lead material shall consist of Iron, Nickel, Cobalt alloy (KOVAR) per MIL-1-2301 1, Class I, ASTM F-15.” PAGE 4 3.2.3, Add the following sentence at the end of the paragraph “Aluminum shall be used for w
7、ire bonding on substrate interconnects.” 3.2.4, Delete in its entirety and substitute the following: “3.2.4 Presea1 bake. The hybrids shall be baked at a minimum of 150 degrees C in a vacuumnitrogen atmosphere, min 0.04 Torr., for 24 hours minimum immediately prior to sealing.” PAGE 6 3.3.1 1, Delet
8、e in its entirety. 3.4e, Delete “code identification” and substitute “CAGE Code”. 3.4.2. Delete “MIL-STD-202, method 2 15” and substitute “MIL-STD-883,method, 20 15“. 3.5, Delete “MIL-M-385 1 O” and substitute “MIL-PRF-38534” PAGE 8 3.7, Delete “MIL-M-385 1 O” and substitute “MIL-PRF-38534”. 2 Provi
9、ded by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-999990b 2LL519b 159 h41 L-E-48370A (AR) AMENDMENT 3 PAGE 9 4.3.2, Fourth line, Delete “. . . except for bond strength and solderability as defined by the LTPD (Lot Tolerance Percent Defective). . .” and subs
10、titute “. . . except for solderability as defined by the acceptreject limits .”. PAGE 10 Delete Table I in its entirety and substitute the following: TABLE I. First article inspection PARAGRAPH CLASSIFICATIO, NOTES TITLE Microcircuit, Digital - Firing Circuit Microcircuit, Digital - Safing the other
11、 ten units shall be tested at low temperature. - 5/ Electrical rejects may be used provided their construction and processing through final seal is identical to that of the device. PAGE 13 * 4.4.2.1, Classification of characteristics, delete major defect 102 in its entirety. * 4.4.2.2, Classificatio
12、n of characteristics: Delete minor defect 201 and 202 in their entirety and substitute the following: “Noof AQL Category Exam Sample or Req. Para. Ref/ Minor or Test Units 100% Para. Insp. Method 201 Physical Dimensions 2 3.1.1 Gage or Calipers 202 Marking permanence 4 3.4.2 MIL-STD-883“ 4 Provided
13、by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MWmMENT 3 Delete notes 3 and 4 and substitute the following: “Note 3: A PDA of 7 per MIL-PRF-38534 (Appendix F) or 32 acceptlo reject applied to wirebounds shall be used for ACC/REJ limits. Equal number of wir
14、ebounds shall be tested of each hybrid. Sample size shall be 2 hybrids. Note 4: AcceptReject limits applied to the hybrid lead solderability shall be 46 accept/4 reject. Sample size shall be 2 hybrids. PAGE 18 * 4.5.2, Delete in it entirety. * 6.2.1, Delete in its entirety and substitute the followi
15、ng: “6.2.1 Contract data requirements. Data specified in 3.2.2 and 3.2.5 of this document and in paragraphs A.3.2.5 and A.3.3 of MIL-PRF-38534, Appendix A, will be required for data delivery as specified in section C of the contract.” * 6.3, Delete in its entirety and substitute the following: “6.3
16、Submission of designs for approval. See MIL-A-48078. Submit equipment designs, as required, to US Army Tank Automotive Command, Armament Research, Development, and Engineerin; Center, TACOM-ARDEC, ATTN: AMSTA-AR-QAA-R, Picatinny Arsenal, NJ 07806-5000.” The margins of this amendment are marked with
17、an asterisk or vertical line to indicate where changes (additions, modifications, corrections, deletions) from the previous amendment were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are
18、 cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Custodian: Army-AR Preparing activity: . Amy-AR (Project 1336-0035) 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
