Electronics Forum: recommendation (Page 211 of 392)

Fine pitch & PCB finish

Electronics Forum | Mon Feb 21 10:05:33 EST 2005 | Dougs

Our machines can place components down to 16mil, I've never seen any finer pitch components in use, what pitch are they going down to now? 12mil??? What pitches have you been using? We are a contract manufacturer so customers sometimes supply free

Fine pitch & PCB finish

Electronics Forum | Tue Feb 22 10:44:12 EST 2005 | Dougs

when you talk about stencil design, what would you recommend for aperture size on fine pitch if the customer insists on hasl finish on fine pitch devices? i usually use a 10% reduction on everything we have been using ( 16mil pitch and upwards and 0

quad 1000 error

Electronics Forum | Mon Feb 06 19:56:07 EST 2006 | bobpan

Ok....that is very vague...but here is the approach i would take. 1. rename permanen.tbl file and reboot 2. rename calibrat.arc file and reboot * both files are located in c:\2kla\gui\guiqsv1* If it fixes the problem....it was a software issue. 3. If

QFN Packages

Electronics Forum | Fri Feb 25 10:52:59 EST 2005 | russ

Would these be the parts that have just pads located on the bottom of the part? If so, we place these every day in decent volumes and have never had any manufacturing problems with them. I cannot comment on the reliability since we are a contract M

Solder in wave soldering: Which one is the best?

Electronics Forum | Mon Feb 28 10:11:27 EST 2005 | jbrower

Hi Ing, My suggestion is to take a good look at your profile(s). The Wave solder machine that I use is an Electrovert EPK I. I use Aim ultra pure 63/37 solder with an older kester flux, 920CFX. I recently switched from kester ultrapure to the aim ba

Missing components in Reel

Electronics Forum | Fri Mar 18 14:27:29 EST 2005 | pmd

Hold on, MyData can place no component and not detect error if the minimum and maximinum settings in the centering phase are within the mesurement of the tool it'self. Especially if the levels are down between the jaws. For insurance make sure the to

stencil printing SPC

Electronics Forum | Tue Mar 15 19:17:26 EST 2005 | yoman

Thanks for your reply. We are using EKRA E4 Inline Automatic Stencil Printer. It is Capable of Automatic stencil inspection. 2D solder coverage inspection. Fix Squeegee angle at 45 degees angle. Programmable squeegee speeds and pressure, boards snap

Need a table top mini wave

Electronics Forum | Wed Apr 13 15:03:05 EDT 2005 | haviland

Am looking for a table top mini wave to remove > connectors or solder in connectors in hard to > reach areas. Can anyone recommend a good brand. > Thanks Hi--We have a couple of Wenesco Rework units, (1) for SMT and the second for PTH. These ar

PCB Warpage

Electronics Forum | Sun Apr 10 06:27:50 EDT 2005 | WarpSpeed

1.) First of all: What is Your customers requirements??? 2.) If the customer or You don't have a specification; I will strongly recommend that you follow the "IPC-IPC-TM-650 Method 2.4.22 Bow & Twist" that [DaveF] suggested. 3.) If You have "critic

Ultrasonic washing for boards

Electronics Forum | Mon Apr 25 14:23:47 EDT 2005 | carln

Mike Conrad's "matter of full disclosure" is not quite complete. He fails to mention that he only makes spray-in-air board cleaners and only ultrasonic stencil cleaners. He does not make ultrasonic board cleaners. So, he apparently he is "grinding


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