Electronics Forum: chevron (Page 1 of 1)

Solder mask registration

Electronics Forum | Fri Sep 27 08:12:19 EDT 2002 | yngwie

Dear all, My customer is asking me to add chevron solder mask registration marks to their board design, drive fabrication capability study from their board vendor(s), and make sure tolerances are established correctly for copper traces and solder mas

Re: SHEESH!

Electronics Forum | Fri Jul 24 01:28:00 EDT 1998 | Alex Ondi

I also heard of a company considering a patent on aperture design. The aperture was a "chevron" aperture, very similar to the "V" shaped aperture recently touted in SMT magazine, presumably for the purpose of reducing solder balls. Go figure!

Solder mask registration

Electronics Forum | Fri Sep 27 08:45:47 EDT 2002 | pr

Chevron marks are sets of lines (at right angles, on either side of component) placed on the board to help verify placement (we used it on BGA's) since you can't look at lead to pad to check placement accuracy. That's the only time I've seen it used.

Solder mask registration

Electronics Forum | Tue Oct 01 10:47:45 EDT 2002 | davef

Board fabricators purchase laminate in preferred panel sizes, such as: 16 x 18 inches, 18 x 24 inches, and 21 x 24 inches. A larger panel size provides more effective cost per unit area processed. In producing a board, the fabricator requires maybe 3

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