Electronics Forum: assisting (Page 46 of 60)

Re: 20 mil pitch applications

Electronics Forum | Fri Jan 08 16:48:13 EST 1999 | Earl Moon

Our company is beginning to delve into some 20 mil applications and I'm curious to hear what kind of success others have had placing these components. What kind of fall out rates we might expect or any specific difficulties encountered and what ac

Re: 20 mil pitch applications

Electronics Forum | Tue Jan 12 00:33:30 EST 1999 | Jason

Our company is beginning to delve into some 20 mil applications and I'm curious to hear what kind of success others have had placing these components. What kind of fall out rates we might expect or any specific difficulties encountered and what

Re: Measling

Electronics Forum | Thu Oct 15 14:23:31 EDT 1998 | Earl Moon

I have a problem with measling on our PCB's. We saw it on our FR4 PCB's at final assembly yesterday. Is this a defect from the board vendor or something we did in our assembly process when building the PCA's (thru hole). Could the wave solder ma

Re: Double-sided reflow process.

Electronics Forum | Sat Oct 10 04:58:18 EDT 1998 | Tony B

*Reply to: ericr@nj.tanon.com Without going into a lengthy explaination {at this time}, has anyone experimented, tested, evaluate, and/or 'perfected' an SMT double-side reflow process. Presently I'm using a Kester R593 OA (water soluble) Sn63/

Re: Water Soluble flux

Electronics Forum | Sun Oct 11 00:23:26 EDT 1998 | MIKE

Came a cross an interseting observation/question. I'll need to filter additional information and specifics to those whom may be able to assist me. But for now; I use a water soluble base organic flux manufactured by Kester (the exact soluti

Re: Water Soluble flux

Electronics Forum | Mon Oct 12 20:51:14 EDT 1998 | Eric

Came a cross an interseting observation/question. I'll need to filter additional information and specifics to those whom may be able to assist me. But for now; I use a water soluble base organic flux manufactured by Kester (the exac

Re: Vibratory Feeder

Electronics Forum | Thu Sep 10 16:50:50 EDT 1998 | Steve Schrader

I have just been asked to do research into vibratory/belt feeders by my mangement. We are transistiioning into a more short run JIT environment for our captive products. My investigation has turned up two suppliers (USVibra, and Comtra Systems). D

Re: Moisture Bake-out of Plastic Parts

Electronics Forum | Tue May 26 12:25:34 EDT 1998 | Wayne

Vacuum Bakeout Ovens For many years vacuum bakeout ovens have been used in the hybrid industry for removal of moisture from ceramic cercuits prior to hermetically sealing packages. In this process the vacuum oven certainly reduces the bakeout cycle

Re: Cleaning Ceramic Substrates

Electronics Forum | Wed Mar 25 14:05:18 EST 1998 | Justin Medernach

We currently use an abrasive fiberglass brush to clean the silver oxide off of our substrates proir to asembly. It's messy and tiring. Is there an alternative method, either chemical or mechanical that is cost effective for small (30 to 50ea 6in

B.I.C. SMT Process Controls

Electronics Forum | Thu Aug 09 12:53:59 EDT 2001 | seand

Hello everyone, First when defining any criteria for process control, one should identify quantiatively that criteria. Then one establishes an effective method for measuring such a criteria. Once you have a test method, your gateway to a solving y


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