Electronics Forum: longer (Page 89 of 116)

B.I.C. SMT Process Controls

Electronics Forum | Wed Aug 08 10:58:29 EDT 2001 | delnosa

Understand your advise, but don't know if you've dealt with Asian (Taiwan, China, Malaysia, etc.) motherboard suppliers in the past. They have some of the most technically advanced equipment and some of the most challenging products to produce, but

Micro BGA baking

Electronics Forum | Mon Aug 13 17:38:05 EDT 2001 | fmonette

Praveen, Once you find out the MS level of your components, you will need to track the exposure time from when the parts are initially removed from their dry bags, through test, programming, taping, and during subsequent dry storage and use of thes

Paste Inspection Requirements

Electronics Forum | Wed Sep 19 15:32:24 EDT 2001 | jschake

I�ll volunteer to answer this one for Jake. In order to prove the performance and capability of the stencil printing process, I think this level of inspection detail is required. However, in a production scenario where a known printing performance

Spacing and Yield

Electronics Forum | Tue Sep 18 11:34:36 EDT 2001 | jschake

The tightest spacing between neighboring 0201 components assembled was 8-mils. Please refer to the response for the query entitled �Minimizing Tombstoning Defects� posted by martys, as the response provided there is also relevant to address this que

PCB finish - Printhead vs Squeegee

Electronics Forum | Wed Sep 19 14:23:31 EDT 2001 | jschake

Pad Metallurgy Used: Copper OSP pads were used for all of the results that I have been reporting. The same design test boards with Nickel/Gold pads are available and awaiting further assembly tests. I will consult with a board technology and metall

Heller 1088 Reflow Oven Conveyor Adjust

Electronics Forum | Thu Dec 20 14:04:35 EST 2001 | Dreamsniper

Hi Marc Definitely we will call you ! But as planned, we will be trying to move the fixed conveyor starting this morning and I think we need the two lead screws at both front and rear machined. We rang our local supplier here down under (australia) w

ScanPlace or any scanner cad package

Electronics Forum | Thu Jan 17 18:29:01 EST 2002 | Bill Loving

Dear Jason, Thank you for posting your request on SMTNET. Please note that ScanCAD International provides an upgrade path for all installed customers, regardless of the age of their system. Currently, hundreds of systems are installed in 37 countr

ScanPlace or any scanner cad package

Electronics Forum | Thu Jan 17 18:33:24 EST 2002 | Bill Loving

Dear Jason, Thank you for posting your request on SMTNET. Please note that ScanCAD International provides an upgrade path for all installed customers, regardless of the age of their system. Currently, hundreds of systems are installed in 37 countr

BGA Straight crack

Electronics Forum | Tue Feb 26 10:55:58 EST 2002 | davef

This could be an electroless nickel / immersion gold specification. While the symmetry of the numbers is pleasing to the eye, but as Joyce Marchand says, "It doesn't blow-up my skirts." Problems with your specification are: * Lower end of the gold

Does anyone care if Americans supply equipment to our industry.

Electronics Forum | Thu Mar 21 01:21:14 EST 2002 | jbutile

Is everyone happy with his or her Panasonic, Fuji and Siemens machines? Do you realize what you have done? I just wanted to thank everyone who bought an Omni A,B,C machine from Universal Instruments... At least you gave the Americans a chance. It


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