Electronics Forum: assembling (Page 336 of 598)

Paste

Electronics Forum | Mon Apr 19 20:54:34 EDT 2004 | dave

Rob: We're never heard of paste related problems caused by humidity that is too low. Low humidity is very expensive to control. So, when you think about all the assembly used to be done in the Bay Area. You'd think there would be more talk about i

Reflow soldering of Solar panels

Electronics Forum | Wed Apr 21 10:37:34 EDT 2004 | russ

Only the manufacturer of this part can tell you if subjecting the entire assembly through reflow temps is okay. It is not a good assumption that "if a part can be hand soldered it can withstand reflow" there are many connectors/headers/buzzers/etc

Indium NC-SMQ92J paste problems

Electronics Forum | Fri Apr 23 08:20:25 EDT 2004 | babe

Sometimes solder balling is related to oxidized paste or paste that has sat on the pcb too long before reflow. Mostly it is related to process, sorry... Too slow or too fast of a reflow ramp rate. Heating up an assembly too quickly will not allow the

MPM screen printer

Electronics Forum | Wed May 19 09:32:28 EDT 2004 | Mr Fix it - MPM

Sounds to me like the driver for the tactile is not working. The tactile has three components to it. The first is the switch, the second is the pneumatic up/down actuator and the third is a small motor in the tactile assembly. The motor has a driv

Board Support for Double-Sided PCBs

Electronics Forum | Wed Apr 28 12:16:09 EDT 2004 | paul_bmc

We usually make a template offline to put with the assembly file. When it is time to run, place the pin support template in the machine, place your pins and your ready to go. Probably about a 15 sec setup. We looked into the ready-e-set pin suppor

Fuji Pick and Place Machines

Electronics Forum | Tue May 11 09:50:04 EDT 2004 | vickt

Grant,You should take a look around at all of the alternatives out there. There are many fine solutions from every SMT assembly vendor. Fuji is not the only game in town. You should not purchase on name brand alone. If you are considering the CP-7, I

Electronic Manufacturing Services (EMS) in Manaus Brazil

Electronics Forum | Wed Jun 09 16:52:16 EDT 2004 | Cary Chang

Dear Mira: I had some assembly operation in Manuas before, You can find out the company name and telephone number in the attached web address. From the telephone list of the Manuas electronics companies which you can call them. some of them you can c

Maximum production per SMT Line

Electronics Forum | Mon Jun 14 23:12:32 EDT 2004 | Rodion Pronin

Hello Ricardof I believe speaking of your example, huge boards with many components on them, a very important aspect would be the sequence in which you place your components on the board... It happends that I have a software that optimizes assembly

Ni/Sn plated parts

Electronics Forum | Thu Jun 17 07:04:03 EDT 2004 | davef

It sounds like the parts are not soldering properly [have poor solderability]. This probably due to corroded nickel underplate caused by: * Nickel that oxidized, while awaiting overplating * Poor quality tin overplate, allowing nickel to oxidize aft

PCB Manufacturer (SMT Technology) should read this

Electronics Forum | Wed Jun 16 21:56:04 EDT 2004 | rodionp

For those who are not sure as to what exactly we do, please get familiar with the article: http://www.reed-electronics.com/semiconductor/index.asp?layout=article&articleid=CA71291&industryid=3026 Which is PCB Assembly Optimization, what we do is we


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