Electronics Forum | Thu Jan 23 07:05:19 EST 2003 | emeto
Hi all, I am interested about CSP and Flip-chip assembly.Equipment needed, accuracy, features in all parts through assembly process. If anyone can shortly explain me the assembly process(with or without underfill),or show me the place I can read it
Electronics Forum | Wed Feb 05 11:10:01 EST 2003 | J. Dumont
Is anyone looking for any PCB assembly work to be done?? We currently build all our boards for our many world class products in house and will possibly be branching into building assemblies for outside companies in the near future. Pricing will be ve
Electronics Forum | Thu Jun 26 17:40:21 EDT 2003 | Steve
Wanted to inquire if anyone has a way to monitor cleanliness of boards that are assembled with a no-clean process. I'm aware that incoming board cleanliness can be monitored, however, I am after checking of cleanliness of boards after assembly. Wit
Electronics Forum | Tue Jul 01 21:06:12 EDT 2003 | ramanandkini
My customer just assembles it to the car. We want to use the silica gel to avoid moisture since the assembled part (clock) reach him via ship after 50 days. The electronic circuit board has no conformal coatings at present. We are working on that. Ou
Electronics Forum | Thu Dec 18 15:48:25 EST 2003 | Subhash Nariani
Hello, Does anyone have experience with the PCB assembly of 0.5mm pitch chip scale packages with HASL finish? Characterization data that you can share? Tribal knowledge has it that the height variations of the solder prevent the use of HASL for fin
Electronics Forum | Mon May 24 14:44:21 EDT 2004 | ekcinieh
My snmall company out-sources all of it's SMT assemblies. We do through work and have dome rework experience with SMT. All of our assemblies are built to "IPC610 Class II". We currently have no one trained to inspect to this standard. What is a pract
Electronics Forum | Tue Nov 08 08:39:40 EST 2005 | ingrid_john
I have received an RFQ to assemble 3 PCBA assemblies, interconnected with flexible starrflex cable tails. We have never used this type of cable in our process to date and I was wondering if there is anyone who has knowledge of assembling starrflex ca
Electronics Forum | Thu Jan 19 20:40:52 EST 2006 | Gary Kemp
We are experiencing a blistering problem during our process of lead free assembly. The customer has supplied us with the bare fab rated at 140 Tg. I am under the assumption that the Tg rating should at minimum be 170. Does anyone know if there is
Electronics Forum | Mon Jan 15 13:31:11 EST 2007 | John S.
Since it is in a pallet, I would be sure the preheat temperature is correct across the entire assembly. We've seen large temperatue delta's across assemblies that are soldered in pallets. Could be overheated even or contact time too long. Interest
Electronics Forum | Thu Apr 12 08:48:35 EDT 2007 | stepheniii
It depends on the contract. Is it they build what they are told to build or they are saying they are building leadfree. And it's not the assembly or the part that has to be leadfree. It's the parts of the parts that have to be less than the given p
