Electronics Forum | Thu Oct 15 15:34:16 EDT 1998 | Andrew
We have a need to bond Flatpack and Quadpack components to the circuit board. The adhesive should be quick curing, repairable and have a low modulus. It does not have to be thermally conductive (but it would be a plus). The components are currently
Electronics Forum | Thu Oct 15 10:26:13 EDT 1998 | Dave Celestian
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 mach
Electronics Forum | Thu Oct 15 09:05:16 EDT 1998 | mike weekes
Hi folks, I'm looking for PWB fab houses (for single sided, doublesided and multilayer boards) that you have worked with who are reasonable on price, excellent on support/response and great on quality. I'm at 800 323 9562 Mike Weekes - The Phoenix
Electronics Forum | Wed Oct 14 06:47:53 EDT 1998 | Jim McCarten
I have looked at the AVX-500 printer that is now sold by MPM and Quad. It looks like an excellent product. Especially the auto-tooking feature. I understand that it was made by Quad. The foot print is much smaller than the older MPM and DEK produ
Electronics Forum | Wed Oct 14 04:01:28 EDT 1998 | Joakim Fagerlund
We have problems with achiveing a void free soldered joint when we seal different kind of packages (QFP,LCC and PGA) We think the problem partly is due to outgasing from the die-adhesive (silver-glass) Does anybody have any reccomendations what to d
Electronics Forum | Tue Oct 13 18:03:40 EDT 1998 | Sanjay Bhatikar
Sirs, What are the issues involved when a stencil printer is used for printing solder paste and adhesive? UV-curing of adhesive appears to help reduce slump and spread by forming a tough skin on the adhesive blob deposited on the PCB. Is th
Electronics Forum | Mon Oct 12 22:35:55 EDT 1998 | Hank Hsiung
Hello, friends: Do you know where I can buy cheap double sided flexible circuits, especially adhesiveless system. Also, when I make double sided flexible circuit assembly, beside using temporary stiffener, any other method to do double sided as
Electronics Forum | Sat Oct 17 23:54:15 EDT 1998 | Kallol Chakraborty
the size of panel > is the free real-state) or greater, would help in selective stiffening of the panel itself for multiple placement for multiple assemblies hence achieving cost reduction. Hope it helps. If you need any info. for our company for t
Electronics Forum | Sun Oct 11 13:53:26 EDT 1998 | Vincenzo Longobardo
I have datas to substain that a not wetting PCB ( the HAL oxided or not uniform in thickness )if soldered in reflow, it shows voids with X-Ray inspection.The voids are in side all the joints not only on the solder pads levell. Is there a technical d
Electronics Forum | Wed Oct 14 08:32:45 EDT 1998 | Earl Moon
| Dear Mr. Earl Moon | please give me all your information and pictures to know the reason of the voids formation caused by the HASL oxidation. | I am very interested to this experience. | | With Best Regards | V.Longobardo | | | | I will assemble
