Electronics Forum | Thu Oct 05 16:48:41 EDT 2000 | LarryK
Has anyone ever used the circuit repair kits? The type where you can replace a PTH or SMT pad that has been lifted or damaged? It appears that you just select a pad, trace or whatever needs replacing from a panel and heat or glue it onto the board.
Electronics Forum | Fri Oct 05 07:46:24 EDT 2001 | george
Specifications of testing force are not fixed, but (incase of wave soldering) the value should be at least 120-150 % of the force the wave. So for small chip components we assume that the force from the wave on the component is about 3 Newton, this m
Electronics Forum | Mon Aug 21 15:02:53 EDT 2006 | FredC
If you really have Loctite Super Glue it is a cyanoacrylate and can be removed with acetone. If you have a Loctite aneorbic glue that has not hardened yet, acetone will remove it. If an anerobic has hardened I know of nothing that will remove it. Als
Electronics Forum | Fri Oct 06 08:00:41 EDT 2000 | jackofalltrades
We use both, old boards and repair kits with equal success. Contact East (http://www.contacteast.com/) has a nice selection of kits depending on your needs, beginner v.s. experienced.
Electronics Forum | Mon Apr 17 19:44:20 EDT 2000 | Dave F
Ashok: Well, your customer probably has a good reason for wanting you to send them boards without holes in the solder mask. What is their goal for the mask capabilities after you get do reworking the boards? * Cosmetic surface coat? * Performance t
Electronics Forum | Wed Aug 09 19:14:15 EDT 2006 | Board House
Our Manufacturing policy regarding welds is as follows. 1) Inner layers - depends on Core thickness and line width. Our shop will not do any welding on core thickness less then 5 mils. or line width less then 5 mil. Good AOI practices reduce the a
Electronics Forum | Thu Oct 05 17:05:36 EDT 2000 | JAX
These types of foil kits work just fine as long as they are used before expiration. Scraping off the epoxy coat gets a little tough on fine pitch pads and etches. I have always like to use a solder sample board to retrieve my bits & pieces from whene
Electronics Forum | Thu Nov 16 18:41:17 EST 2006 | John Fisher
Unidec repairs of industrial electronics specializing in the surface mount (SMT) and through-hole circuit board equipment, robotics, vision systems and general automation. Plese see our website at http://www.unidec.com of call toll free at 888-701-00
Electronics Forum | Tue Oct 16 09:17:10 EDT 2001 | davef
Look at "Microcanyons", Circuits Assembly magazine, December 1998. There D Pauls & T Munson describe adhesive on boards that was cured too rapidly and formed a skin that trapped volatiles and solvents. The volatiles and solvents created long voids i
Electronics Forum | Wed Nov 13 22:30:05 EST 2002 | davef
Methods for performing repairs: * 7721 - Repair & Modification of Printed Boards & Electronic Assemblies. * On-line guides at Circuit Repair Technology [ http://www.circuittechctr.com ] site. Roughly from East to West, service companies that perfor
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