Article View: sci.electronics.design
Article #1543Re: HP chip model planes
From: Michael A. Terrell
Date: Fri, 30 Jan 2009 05:46
Date: Fri, 30 Jan 2009 05:46
33 lines
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3340 bytes
Jasen Betts wrote: > > On 2009-01-26, miso@sushi.com <miso@sushi.com> wrote: > > On Jan 26, 9:34� am, Joerg <notthisjoerg...@removethispacbell.net> > > > Of course, the side braze package screams "take off the lid and take a > > look at me." You want to make life at least a little bit harder for > > the chip copiers. Worse yet, it makes it easy for the competition to > > probe your chip. [You pull the probe station wafer chuck and slide in > > a card with zif socket. It works quite well. Laser off the vapox.] > > I did that to some regular cerdips as a kid so I could stick them > under my toy microscope. if you whack 'em right the top comes away. Some of those ceramic chips have beryllium Oxide in the ceramic, which is dangerous to breathe. -- http://improve-usenet.org/index.html aioe.org, Goggle Groups, and Web TV users must request to be white listed, or I will not see your messages. If you have broadband, your ISP may have a NNTP news server included in your account: http://www.usenettools.net/ISP.htm There are two kinds of people on this earth: The crazy, and the insane. The first sign of insanity is denying that you're crazy.
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X-Google-Thread: 112d1e,a37377c63f4ffdfe X-Google-Thread: 103407,a37377c63f4ffdfe X-Google-Attributes: gid112d1e,gid103407,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII Path: arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!news.glorb.com!news2.glorb.com!news.glorb.com!Xl.tags.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local02.nntp.dca.giganews.com!nntp.earthlink.com!news.earthlink.com.POSTED!not-for-mail NNTP-Posting-Date: Thu, 29 Jan 2009 23:46:02 -0600 Date: Fri, 30 Jan 2009 00:46:01 -0500 From: "Michael A. Terrell" <mike.terrell@earthlink.net> Organization: http://home.earthlink.net/~mike.terrell/index.html X-Mailer: Mozilla 4.76 [en]C-CCK-MCD (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: sci.electronics.design,aus.electronics Subject: Re: HP chip model planes References: <61465472-06b3-49f3-9bc1-dd030e3e1fa7@n33g2000pri.googlegroups.com> <ec6dnW86AdGzyefUnZ2dnUVZ8tLinZ2d@westnet.com.au> <14e795fa-af9f-468d-9246-c68200c46867@b38g2000prf.googlegroups.com> <db4407d9-1850-43c3-a764-f896cdb04450@r15g2000prh.googlegroups.com> <GLHel.9429$hc1.4441@flpi150.ffdc.sbc.com> <f88f9647-a22c-442a-bfb8-2d5f1bb79ec6@z6g2000pre.googlegroups.com> <_T4fl.726$Lr6.472@flpi143.ffdc.sbc.com> <cda8c036-8ef4-4922-8398-d077d2e44c37@f40g2000pri.googlegroups.com> <Zumfl.18866$Ws1.4868@nlpi064.nbdc.sbc.com> <7e4718be-a0ec-461a-b1d3-b37aa5875b3f@p36g2000prp.googlegroups.com> <glmohn$d5n$4@reversiblemaps.ath.cx> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-NewsProxy: 1.2.4 Message-ID: <44udnQJYT92HCR_UnZ2dnUVZ_uOdnZ2d@earthlink.com> Lines: 33 X-Usenet-Provider: http://www.giganews.com NNTP-Posting-Host: 24.110.34.161 X-Trace: sv3-3fwp2t4Zhy8BQ33reUuy0UUjtV7XJmVbIL07sSSIGXtzx/CQizcAvfioylprdwAmxYCM3lRqXWFp3ru!bNLPJeaU54Q1JHPmmMIcixNleRw0SARIcQmR4X3cNg+lb2hy5ltf+tV50LiDUW4FhgBzHu9AyK9d!87B8KKKPh/sRRzm41ApB6HRESIyxr6bIpVWGTgc= X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.39