Electronics Forum | Thu Mar 20 12:04:42 EST 2003 | Ren� Sandoval
Hello Garcia: For my experience in Tombstone problems I recommend you to check the next points: -Use Solder paste with 2% silver -Use 5 mils Th Stencil -In some machines , for 0402 or smaller componentes , you require an special holder for the feed
Electronics Forum | Wed Feb 04 19:10:11 EST 2004 | wport
I work for a small OEM. We have outsourced our SMT in the past and considering purchasing some used SMT equipment. My knowledge is limited in this area. Someone in my company has found a Zevatech 575 machine. Our run size is from 25pcs.to 500pcs.
Electronics Forum | Mon Feb 16 01:26:30 EST 2004 | Frank
The 575 was based on the 570 machine. The 570 was Juki's first laser centered machine. It can do 0402 and ICs with a pitch of 0.65mm or greater. The 575, was a re-vamped 570 that Zevatech came up with. Juki played no part in the 575. Zevatech ad
Electronics Forum | Thu Mar 04 18:48:17 EST 2004 | Roger
Hi Robert, We've been using a SmartSonic cleaning system for years. We place a lot of 0402's and FBGA components. The system cleans those apertures very effectively. The chemistry used in the cleaning solution is very safe and environmentally fri
Electronics Forum | Thu Apr 15 14:29:09 EDT 2004 | Debi
What are diffrerences between DEK 248 and MPM Microflex? We are thinking about off-line screen printer with vision and wiper. When i compare specification MPM has better accurancy 12,5um and DEK 248 25um so one point for MPM. MPM is a new constructio
Electronics Forum | Mon May 24 19:37:07 EDT 2004 | marcelll
Hi Grant, you have 2 good machines there. Thing to remember: Fuji machines need an external controller to run (Fuji cam or Flexa), you will have to buy that (extra cost). HSP have is own firmware include. HSP can do pick-up correction both in X and Y
Electronics Forum | Fri Jun 25 13:00:48 EDT 2004 | haviland
Hi--We deal in used and recond. equipment in the Midwest, and have available a 1999 Amistar #7100FV w/ a nice complement of feeders, (6) pick up heads, rated component placement at 18,000 pph. Does .0402's, .3 BGA w/ 20 mil pitch, Full vision system,
Electronics Forum | Thu Sep 02 10:43:02 EDT 2004 | Frank R.
Thanks Russ, Concerning PCB, I will consider positive and negative informations for all material exept OSP. I work with 350 persons in production and if the final result of the product is different depending of the person who andle it, I can't use t
Electronics Forum | Tue Feb 28 21:24:21 EST 2006 | hashim@actsb.com.my
What is anyone using to clean Siemens ceramic > nozzles. Siemens recommends a 20% ethanoic > solution or a 20% acidic solution but they can't > tell me anyone who manufactures this type of > cleaning solution. I was using alcohol but was > told
Electronics Forum | Mon Jan 10 13:59:54 EST 2005 | mdemos1
Hi. I am looking for information on storing completed PCBAs in a warehouse environment. My current assemblies use standard FR4 material - 4 to 6 layers. Component types range from 0402s to fine pitch QFPs and micro-BGAs. If I were to store this i
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