Hi everyone. My two cents worth on LSM. In a project, I found its repeatability was poor. krishna kalyan ===================================================================== >Date: Tue, 10 Feb 1998 18:36:13 -0800 >Reply-To: "TechNet E-Mail Forum." <[log in to unmask]>, > Ron Lohrbach <[log in to unmask]> >From: Ron Lohrbach <[log in to unmask]> >Subject: Re: [TN] Assy: Solder Paste Height Measurement >To: [log in to unmask] > >From: Mark Norris <[log in to unmask]> >Subject: Re: Measurement Query I thought of interest - Just FYI >Mime-Version: 1.0 > > >A company called cyberoptic makes a real simple height mesuring device, its >called LSM (Laser Section Microscope). Used it probably costs 5,000. > > >------- >At 11:06 AM -0600 2/10/98, Charles Barker wrote: >>Charles Barker@I-O INC >>02/10/98 11:06 AM >> >>Some years ago, there was a mechanical system on the market for measuring >>the height of paste deposited on a pad. The system consisted of a small >>granite block, a needle attached to a Mititoyo measuring device that was >>moved by a thumbscrew and a monocular 'scope set at about a 30 degree angle >>with a back light. >> >>The measurement was taken by moving the needle down until it contacted the >>top of the paste, zeroing out the Mititoyo, then driving the needle down >>until it touched the pad itself. The Mititoyo then read out the thickness >>of the paste. >> >>Does anyone know of such a simple system out there anymore? >> >>TIA >> >>Charlie B. >> >>################################################################ >>TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c >>################################################################ >>To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: >>To subscribe: SUBSCRIBE TechNet <your full name> >>To unsubscribe: SIGNOFF TechNet >>################################################################ >>Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information. >>For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 >>################################################################ > > >Ron Lohrbach >Norris Communications >(619)679-3137 Tel/VM >(619)486-3922 FAX >[log in to unmask] >http://www.norriscomm.com > >################################################################ >TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c >################################################################ >To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: >To subscribe: SUBSCRIBE TechNet <your full name> >To unsubscribe: SIGNOFF TechNet >################################################################ >Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information. >For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 >################################################################ > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ################################################################