Dell - Internal Use - Confidential
Is this statement supported (referenced) in an IPC/Industry Standard?
Victor,
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Golemme
Sent: Thursday, November 30, 2017 2:07 PM
To: [log in to unmask]
Subject: Re: [TN] IPC Standard, bare board vendor markings
We deal with power boards and sealing surfaces. The note I've had success with is:
SUPPLIER SHALL MARK STACKUP AND DATE CODE, SUPPLIER NAME AND/OR TRADEMARK, AND UL FLAMMABILITY RATING IN NON-CONDUCTIVE INDELIBLE INK (COLOR WHITE OR BLACK). SUPPLIER SHALL NOT ADD ANY TEXT OR MARKING IN COPPER.
Stephen Golemme
Manufacturing Engineer, Makani
650-214-5647
solveforx.com/makani
On Thu, Nov 30, 2017 at 11:56 AM, Jose A Rios <[log in to unmask]> wrote:
> Silk screen (or etched metal) are acceptable forms of marking.
> Requirements for marking are basically legibility and traceability
> (you basically have to be able to match the conformance coupons to the
> boards they represent), by some method of serialization, which shall
> include date code. UL marking is not an IPC requirement, if required
> the board user must specify it. When using etched metal as marking, it
> shall not violate min spacing to board conductors (same with
> conductive inks). See 6012D 3.3.5 and its subsections.
>
>
> José (Joey) Ríos, Sr QA Engineer
> Mission Assurance Manager
> Kavli Institute for Astrophysics & Space Research Massachusetts
> Institute of Technology [log in to unmask] <mailto:[log in to unmask]>
> (617)324-6272
>
>
>
> > On Nov 30, 2017, at 2:42 PM, [log in to unmask] wrote:
> >
> > Fellow TechNetters:
> >
> > IPC-1066 covers Lead free markings/Symbols/:Labels, etc. Which IPC
> Standard covers bare board vendor logo/UL Rating/markings/production
> date/REV and layer counts. Is silk screening printing of information
> acceptable beside etch from original external copper foil.
> >
> > Victor,
>
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