New SMT Equipment: ipc spec for pth hole size tolerance (7)

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Electronics Forum: ipc spec for pth hole size tolerance (3)

IPC Spec for PTH Hole Size Tolerance

Electronics Forum | Wed Apr 10 11:46:28 EDT 2002 | mlovett

I would like to know the Stated Specification for PTH size tolerances. Or is there a generalised acceptable limit?. We have some PCB's with hole sizes that I consider to be way off what I would deem acceptable, ie Finished hole size should be 0.89mm

IPC Spec for PTH Hole Size Tolerance

Electronics Forum | Wed Apr 10 22:24:30 EDT 2002 | davef

IPC-6012A, 3.4.1 has words to the effect of: Hole size tolerance and hole pattern accuracy shall be as specified in the procurement documentation. Our fab says: Standard Drill Sizes Drill Number ||Hole Size ||Finished Hole Size 70 ||0.028" ||0.02

Express Newsletter: ipc spec for pth hole size tolerance (989)

SMT Express, Volume 2, Issue No. 3 - from SMTnet.com

SMT Express, Volume 2, Issue No. 3 - from SMTnet.com Volume 2, Issue No. 3 Thursday, March 16, 2000 Featured Article Return to Front Page Stencil Design for Mixed Technology Through-hole / SMT Placement and Reflow by William E. Coleman, Photo

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Association Connecting Electronics Industries (IPC)
Association Connecting Electronics Industries (IPC)

IPC is the trade association for the printed wiring board and electronics assembly industries.

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