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| Date: | Wed, 14 Aug 96 16:07:01 PDT |
| Content-Type: | text/plain |
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Fellow Tech Net Users: Hope this helps - seems to be a hot topic this week!
The following represents a matrix put together by Doug Hastings
documenting the Mil Spec migration for Printed Wiring Boards as of
this date.
Doug Hastings, Technical Consultant here at Lockheed Martin Aerospace,
Rancho Santa Margarita, CA is an IPC representative for our comapany,
Chairman of the Perry Directive Action Comittee also here at LMA, as
well as a member of the 782 land pattern committee.
8-14-96
PRINTED WIRING SPECIFICATION MIGRATION
(PART 1 OF 2)
-------------------------------------------------------------------------
CURRENT
TECHNICAL PHASE SUBJECT CURRENT MIL-SPEC REPLACEMENT
PERFORMANCE
SPECIFICATION
--------------------------------------------------------------------------
DESIGN RIGID PWB MIL-STD-275E ANSI/IPC-D-275
DESIGN SMT LAND PATTERN NONE IPC-SM782A
DESIGN FLEX CIRCUIT MIL-STD-2118 NONE
DESIGN RIGID-FLEX CIRCUIT MIL-STD-2118 NONE
DESIGN MULTI CHIP MODULE NONE IPC-MC-790
LAMINATE
DESIGN RELIABILITY DESIGN
GUIDELINES FOR SMT NONE IPC-D-279
PWB'S
DESIGN PERMANENT SOLDER
MASK NONE IPC-SM-840C
---------------------------------------------------------------------------
FABRICATION RIGID PWB MIL-P-55220E ANSI/IPC-RB-276
FABRICATION FLEX CIRCUIT,
RIGID-FLEX CIRCUIT MIL-P-50884C ANSI/IPC-RF-245
FABRICATION MULTI CHIP MODULE NONE IPC-MC-790
---------------------------------------------------------------------------
ASSEMBLY RIGID BOARD CCA MIL-C-28809B IPC-CM-770D
FLEX CIRCUIT/RIGID-FLEX
ASSEMBLY CCA ASSY/SOLDERING
DESIGN/ACCEPTANCE MIL-STD-2000A ANSI/J-STD-001A
---------------------------------------------------------------------------
CONFORMAL CONFORMAL COAT MIL-I-46058 IPC-CC-830
COAT MAT'L SPEC
CONFORMAL CONFORMAL COAT MIL-STD-2000A ANSI/J-STD-001A
COAT CCA SPEC
8-14-96
PRINTED WIRING SPECIFICATION MIGRATION
(PART 2 OF 2)
-------------------------------------------------------------------------
WORKING DRA
TECHNICAL PHASE SUBJECT CURRENT MIL-SPEC REPLACEMENT
PERFORMANCE
SPECIFICATION
--------------------------------------------------------------------------
DESIGN RIGID PWB MIL-STD-275E IPC-2221 & IPC-2222
DESIGN SMT LAND PATTERN NONE IPC-SM782A
DESIGN FLEX CIRCUIT MIL-STD-2118 IPC-2221 & IPC-2223
DESIGN RIGID-FLEX CIRCUIT MIL-STD-2118 IPC-2221 & IPC-2223
DESIGN MULTI CHIP MODULE NONE IPC-2221 & IPC-2225
LAMINATE
DESIGN RELIABILITY DESIGN
GUIDELINES FOR SMT NONE IPC-D-279
PWB'S
DESIGN PERMANENT SOLDER
MASK NONE IPC-SM-840C
---------------------------------------------------------------------------
FABRICATION RIGID PWB MIL-P-55220E IPC-6011 & IPC-6012
FABRICATION FLEX CIRCUIT/
RIGID-FLEX CIRCUIT MIL-P-50884C IPC-6011 & IPC-6013
FABRICATION MULTI CHIP MODULE NONE IPC-6011 & IPC-6015
---------------------------------------------------------------------------
ASSEMBLY RIGID BOARD CCA MIL-C-28809B IPC-CM-770D
FLEX CIRCUIT/RIGID-FLEX
ASSEMBLY CCA ASSY/SOLDERING
DESIGN/ACCEPTANCE MIL-STD-2000A ANSI/J-STD-001A
---------------------------------------------------------------------------
CONFORMAL CONFORMAL COAT MIL-I-46058 IPC-CC-830
COAT MAT'L SPEC
CONFORMAL CONFORMAL COAT MIL-STD-2000A ANSI/J-STD-001A
COAT CCA SPEC
DIANNE BOEHM
LOCKHEED MARTIN AERONUTRONIC
RANCHO SANTA MARGARITA, CA
(714) 459-4490
EMAIL:
[log in to unmask]
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