DESIGNERCOUNCIL Archives

April 1998

DesignerCouncil@IPC.ORG
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Subject:
Re: IPC-T-50
From:
JoAnn Amerson <[log in to unmask]>
Reply To:
[log in to unmask]
Date:
Wed, 15 Apr 1998 14:06:55 +0000
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> Would someone with a copy of IPC-T-50 please tell me what the diff is
> between an unsupported hole and a supported hole?


Hi George!

Supported hole:  A hole in a printed circuit board that has its
inside surfaces plated or otherwise reinforced.

Unsupported hole:   A hole in a printed circuit board that does
not contain plating or other type of reinforcement.

Hope this helps!


JoAnn L. Amerson
Design Librarian
Red Lion Controls, Inc.
E-mail: [log in to unmask]
Voice: (717) 767-6961 ext 6308

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