Following is text of a letter of interest to the industry.
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From: Defense Logistics Agency, Defense Supply Center, Post Office Box 3990,
Columbus, OH 43216-5000
Dated June 11, 1998
MEMORANDUM FOR MILITARY/INDUSTRY DISTRIBUTION
SUBJECT: Cancellation of MIL-S-13949, General Specification for Printed Wiring Board
Sheets, all Associated Specification Sheets, the Associated Qualification Program,
and QPL-13949
"MIL-S-13949, all associated specification sheets, the associated qualification
program, and QPL-13949 are scheduled t be canceled November 30, 1998. This is
advance notice to the military and industry so they may prepare for this
cancellation. Manufacturers who supply printed wiring boards of Government/military
contracts where MIL-S-13949 compliant product is specified should contact their
affected customers to discuss documentation, contractual and/or any other technical
issues which may need to be addressed upon cancellation.
"For those that wish to respond to this cancellation, please send questions or
comments to Monica Poelking, DSCC-VAC, at the address above, or email:
[log in to unmask] or phone at 614-692-0674, DSN 850-0674."
/s/ DAVID E. MOORE
Chief
Document Control Unit
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IPC-4101 "Specifications for Base Materials for Rigid and Multilayer Printed Boards"
covers the requirements for base materials (Laminate or prepreg) to be used primarily
for rigid or multilayer printed boards for electrical and electronic circuits. A
series of specification sheets, which outline the requirements for both laminate and
prepreg for each product grade, is included in the document. Use IPC-4101 in place of
MIL-S-13949. 149 pages Released December 1997 IPC Member $40 Nonmember: $80
IPC is hosting a series of workshops to help industry transition to IPC-4101. The
workshops, titled "Setting the Standard and Charting the Future" are scheduled as
follows:
September 10, 1998 - Los Angeles, CA
September 11, 1998 - San Jose, CA
September 14, 1998 - Boston, MA
September 15, 1998 - Dallas, TX
September 16, 1998 - Minneapolis, MN
Contact: MaryEllen Hilderbrand at 847.509.9700 X 382 or e-mail [log in to unmask]
IPC-4101 replaces IPC-L-108, IPC-L-109B, IPC-L-112A, IPC-L-115B
Related documents for IPC-4101
IPC-CC-110 "Guidelines for Selecting Core Constructions for Multilayer Printed Wiring
Board Applications"
IPC-2221 "Generic Standard on PWB Design"
IPC-2222 "Sectional Standard on Rigid PWB Design"
IPC-1730 "Laminate Qualification Profile"
IPC/SMTA Electronics Assembly Expo
Technical Committee Meetings, Conference, Exhibits
Providence RI October 24-29
More info at http://www.ipc.org
Jack Crawford, IPC Project Manager - Assembly
2215 Sanders Road, Northbrook IL 60062-6135
[log in to unmask] 847-509-9700 x 393 fax 847-509-9798
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