Electronics Forum | Fri May 22 16:00:54 EDT 2009 | pjc
Henkel- Hysol seems to be the most popular material that I see: http://www.henkel.com/cps/rde/xchg/SID-0AC83309-B331D246/henkel_com/hs.xsl/12169_20090505-henkel-launches-next-gen-underfill-20681_COE_HTML.htm As far as application method, its all ab
Electronics Forum | Wed Jun 10 22:31:07 EDT 2009 | mgcoope
At work we use a system in which every customer uses a part with a phantom ( top level ) part and then under that we have more part numbers that are valid. So something like a surface mount resistor would be stored as something like. PPPPPPPPPPPP
Electronics Forum | Thu Mar 18 18:07:21 EDT 2010 | grahamcooper22
Hi, First check what the Moisture Sensitivity Level of the LEDS is....you may need to ask the LED manufacturer. Once you've established it is moisture sensitive then follow latest version of IPC JEDEC 33 spec. for storage of them and drying them if t
Electronics Forum | Mon Aug 30 06:47:18 EDT 2010 | arjan
We having issues installing the Linear Tech LTM8023. We have different soldering results in our PBfree testruns. The voiding and solderball rate is not stable (random positions and sizes). The pcb's (gold finish)are prebaked, the LGA's are stored in
Electronics Forum | Mon Jan 10 18:08:29 EST 2011 | eadthem
vpblf I actually installed the Uniserver (apache mysql php) WAMP on the AOI machine and there is a setting to make it generate HTML board results, cant remember where off the top of my head. anyhow anyone in the inspection area can now open firefo
Electronics Forum | Wed May 25 17:56:24 EDT 2011 | rssimmons
The SimmScope is an first article inspection system that uses an overhead digital microsope on a motorized gantry to inspect the board - much like an AOI - except that it does not automatically make the pass/fail decisions. It is up to the operator t
Electronics Forum | Fri Dec 17 00:55:22 EST 2010 | kemasta
Hi Kim Dun take any risk in delamination bcoz u > will be the person to answer for being it. So, > we do bake all Pcbs, which have 3months of shelf > life, b4 startin any process although they are > still inside the factory packs. We keep it in
Electronics Forum | Wed May 25 17:58:07 EDT 2011 | rssimmons
The SimmScope is a first article inspection system that uses an overhead digital microsope on a motorized gantry to inspect the board - much like an AOI - except that it does not automatically make the pass/fail decisions. It is up to the operator to
Electronics Forum | Wed May 25 17:48:31 EDT 2011 | rssimmons
The SimmScope is an inspection system that uses an overhead digital microsope on a motorized gantry to inspect the board - much like an AOI - except that it does not automatically make the pass/fail decisions. It is up to the operator to make the de
Electronics Forum | Thu Sep 08 12:50:39 EDT 2011 | deanm
We use both the black conductive and blue static dissipative ESD totes in the production of Class 3 military electronic assemblies. In some cases we use ESD bags, but most board assemblies are placed directly in an ESD tote with a lid. The totes cont
