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October 2001

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Subject:
From:
Earl Moon <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 22 Oct 2001 12:43:04 -0500
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Lamination and/or relamination in a board shop was/is one of my favorite
things. 90 plus % of the MLB structure is in the z axis where most folks
don't often venture.

CAD and CAM are wonderful tools reaching many parts of the shop. They do not
reach or interface with the chemical world at all. Often, they do not affect
the lamination part of the process as this, beyond progammable presses, is
not part of the layup process. Typically, layup (wherein pregs and details
come together in books) are manually driven by very conciencious process
managers who stack every layer together right or wrong. Most often they are
right.

Do as you will, the window or side tabs take priority. Etched details (inner
layers or inners) are laid up by folks paying attention to what needs doing.
Designers and CAM folks see all the Gerber or ODB++ stuff, never missing a
beat, then they send it on down the line, in most shops. via travellers or
other paper driven stuff though many other shops have this information
available for viewing on computers. Still, the operator is the key.

MoonMan

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