For a commercial application, Bruce I typically use the following:
MARK OR STAMP REVISION LEVEL AND VENDOR TRACABILITY IDENT IN LOCATION
SHOWN USING WHITE EPOXY BASE MARKING INK WITH .12 +/- .02 HIGH SINGLE
STROKE GOTHIC CHARACTERS. MARKING SHALL NOT EXTEND ON TO ANY EXPOSED
SOLDER LANDS OR CONDUCTORS.
Chris Taylor
Senior Printed Circuit Designer
LXE, Inc.
125 Technology Parkway
Norcross, GA 30092
voice: (770) 447-4224 X3242
fax: (770) 447-6928
e-mail: [log in to unmask]


>----------
>From:  Bruce C. Rietdorf D613 x5150 MS10-61[SMTP:[log in to unmask]]
>Sent:  Tuesday, January 06, 1998 8:35 AM
>To:    [log in to unmask]
>Subject:       [DC] Marking per MIL-STD-130
>
>============================================================================
>Date:    6-JAN-1998 08:33:12.79
>Name:   Bruce C. Rietdorf D613 x5150 MS10-61
>From:   MOST::MRGATE::"MRS::SN_L=HOSTNODE::SN_U=BCRIET"
>To:     MOST::INTERNET
>Subj:   Marking per MIL-STD-130
>============================================================================
>
>From:   NAME: Rietdorf,Bruce  <SN_U=BCRIET@SN_L=HOSTNODE@MRS@MOST>
>To:     NAME: INTERNET.THE <INTERNET@MOST@MRGATE@MOST>
>
>DATE : January  6, 1998
>TO   : THE INTERNET
>FROM : Bruce C Rietdorf
>SUBJECT : Marking per MIL-STD-130
>
>SMTP%"[log in to unmask]"
>
>Our processes require that a printed wiring board supplier mark the revision
>level and their tracability marking on each board. This marking must be
>durable enough to withstand internal assembly processes (chemical cleanings,
>solder baths, etc).
>
>Could someone please assist me on what type of notes are used on the
>procurement drawing to achieve this on non-military products? I'm aware that
>the Military require this marking to be per MIL-STD-130.
>
>Thanks in advance,
>
>Bruce Rietdorf
>Drafting Services
>Raytheon Systems Company
>(219) 429-5150
>[log in to unmask]
>
>
>
>
>
>
>      Bruce C Rietdorf
>
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