Article View: sci.electronics
Article #4719Re: plated thru holes
From: Greg Ebert
Date: Wed, 30 May 1990 20:44
Date: Wed, 30 May 1990 20:44
16 lines
1242 bytes
1242 bytes
In article <1422@marlin.NOSC.MIL> herman@marlin.nosc.mil.UUCP (John W. Herman) writes: > >-- >I vaguely recall seeing an ad for a machine that puts sleeves in >PC board holes the claim being that the sleeves could be put in >for much less than plating through holes. I only remember seeing >the ad and not much else. >-- I saw such a machine demonstrated at NEPCON in 1984(?). You clamp-in a pre drilled board, pour a few thousand sleeves in the tank, and then the board vibrates. I was astonished to see that, yes indeed, the holes were filled. I don't know how reliable the process was. Many moons ago I was a tech, and I distinctly remember a particular CPU board nobody else could fix because every time you touched it with a scope probe, it died. Guess what! It was a hole that wasn't plated through.
Technical Details
Message-ID:
<1043@gold.GVG.TEK.COM>Path:
arc1-ca.pugleaf.net!utzoo!attcan!uunet!zephyr.ens.tek.com!gvgpsa!gold!gregeReferences:
<1109@uvicctr.UVic.CA.UUCP> <1114@uvicctr.UVic.CA.UUCP> <1422@marlin.NOSC.MIL>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!zephyr.ens.tek.com!gvgpsa!gold!grege From: grege@gold.GVG.TEK.COM (Greg Ebert) Newsgroups: sci.electronics Subject: Re: plated thru holes Message-ID: <1043@gold.GVG.TEK.COM> Date: 30 May 90 20:44:25 GMT References: <1109@uvicctr.UVic.CA.UUCP> <1114@uvicctr.UVic.CA.UUCP> <1422@marlin.NOSC.MIL> Distribution: na Organization: Grass Valley Group, Grass Valley, CA Lines: 16