Electronics Forum: soldered (Page 666 of 2099)

QFN Rework

Electronics Forum | Fri Jul 30 09:57:56 EDT 2010 | bwet

= 3 x 3mm http://www.solder.net/stencilmate.asp Inputs would be appreciated! BWET

stencil tension measurement

Electronics Forum | Mon Aug 02 12:28:41 EDT 2010 | tselvan

to prevent solder paste printing defects

Solder paste high measurement

Electronics Forum | Tue Aug 03 15:54:35 EDT 2010 | keiths487

we use a cyberoptics lsm 300, which IMO provides good service

Solder paste high measurement

Electronics Forum | Tue Aug 10 06:26:00 EDT 2010 | cunningham

We have 2 Koh Young systems and they perform just great

Solder Balls-No Clean Paste

Electronics Forum | Tue Aug 17 11:45:05 EDT 2010 | kjs123p

The best way that I have found is to use homeplating on my stencils.

Solder bridging on IC leads

Electronics Forum | Mon Aug 23 13:59:18 EDT 2010 | swag

Under a scope, make sure the PCB has soldermask between pads.

Multiple Resistor Rework

Electronics Forum | Mon Aug 30 08:38:46 EDT 2010 | rgduval

We appreciate your desire to find the most time effective method of reworking these boards. However, we believe that your most efficient method will be to have one assembler remove all of the parts, and a second assembler place/hand solder the parts

Multiple Resistor Rework

Electronics Forum | Mon Aug 30 11:09:13 EDT 2010 | davef

Lots of small parts, lots of hand soldering, lots of tired eyes inspecting on lots of boards: yields lots of room for error. How about this: * Part removal ** Cut each resistor between the pads using dykes ** Using a soldering iron [or hot air pen],

Solderability - Gold Pad Cleaning

Electronics Forum | Thu Sep 02 10:18:01 EDT 2010 | davef

GooGone followed by a water wash

Dual edge mount connector

Electronics Forum | Wed Sep 08 05:51:24 EDT 2010 | 15009

SIPAD solid solder deposit solves this challenge.


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