Electronics Forum: de telling pain

Chip crack at what stress.

Electronics Forum | Thu Mar 14 09:07:26 EST 2002 | cfraser

I can not tell you what the actual stress limits are. I can tell you that de-paneling PCB's by hand is a very poor choice. I have seen numerous accounts of cracked caps, resistors, and LED�s due to incorrect de-paneling procedures. I would recommend

PLA - CPLA SOFTWARE

Electronics Forum | Fri Mar 23 16:48:06 EST 2001 | jax

I got to tell you; I have NO idea what your talking about..... But, I'll take a crack at it anyway. Go ahead and try the following link. http://www.rs-system.de/english/index.htm Let me know if I'm on the right track.........

Flipchip sticking to tape and reel covers

Electronics Forum | Mon Feb 21 12:51:30 EST 2005 | need help

Thanks for your help. We try the de-ionizer fan, helps some what but did not eliminate the problem. Can you tell me which model are you guys using.

Dross removal

Electronics Forum | Tue May 02 01:42:02 EDT 2006 | ge_lim

Hi Anyone has used Kera-clean Dross Ex to clean the dip soldering nozzle before? This product is from Kera-Technik@gmx.de, GmbH, Germany, and has been quite effective in removing the dross residue on the nozzle. Tell me is there a similiar product

how to control warpage on panelized pcb during reflow process

Electronics Forum | Mon Jul 01 04:39:49 EDT 2019 | sssamw

yes, You need tell us how the PCB and board designed, size, material, how de-paneling the PCB?

Re: PNEUMATIC SCISSORS

Electronics Forum | Tue Jan 04 17:27:43 EST 2000 | John Thorup

For clipping off small boards and small quantities you can try Simonds. With no components and for longer straight cuts a shear would be more appropriate. How about the various de-panelling machines? The answer could be more specific if you would te

Electroless Nickel/Gold finish

Electronics Forum | Tue Apr 17 08:29:12 EDT 2001 | Geertjan de Beijer

My name is Geertjan de Beijer and I am new on this forum. I have a question about Electroless Nickel/Gold finishes. Until now we always use a HAL finish on our PCB's. Since we are using compontents with pitches of 0.5mm we notice that the HAL finis

Identifying Caps

Electronics Forum | Mon Nov 11 09:24:07 EST 2002 | russ

I agree with Dave, Identifying chip components is not worth the time or effort. I believe that you can only tell what the value is and not the voltage,temp rating tolerance, etc...anyway. You will need to then put them back into tape to make them u

Immersion Gold over Nickle de-wetting problem

Electronics Forum | Thu Mar 06 22:34:55 EST 2003 | davef

O' Connor: Are you saying that: * You solder fine in the areas where you print paste * You solder poorly in the areas where you don't print paste Aside from that, the gold on these pads seems to be less bright than previous lots. [if that's not it

Multiple reflow cycles

Electronics Forum | Fri Mar 21 20:21:41 EST 2003 | Grant

Hi, I can verify that, and we have done 2 or more reflows with prototypes, using vapor phase reflow, and because there is no oxygen, the result is good, and you cannot tell the difference between the first reflow, and the 3rd. We are getting a vap

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