Electronics Forum: 0402 esd tape problem (Page 1 of 5)

Tombstoning 0402

Electronics Forum | Thu Dec 21 19:24:25 EST 2000 | Alejandro Rodriguez Gallegos

Hi Sorry my poor english We have some problems with some componentes 0402 we recived by the manucterer oxide in the tape reells exactly in the bottom side to the reel I think the root cause is the oxide in the tapes rells What do you think? And ot

0402 pick problems

Electronics Forum | Thu Nov 16 14:22:48 EST 2000 | Kris

Howdy Y'all, I have seen a problem lately with getting the 0402 parts out of the tape and onto a PCB. We are using Universal HSPs with 8 X 2mm feeders in good condition. The components are manufactured by Rohm. The tape and components appear to b

0402 pick problems

Electronics Forum | Mon May 21 04:37:41 EDT 2001 | Bob

Hi, Kris You mean you have checked the tape&component demension,all in spec, But could you tell me the spec of the tape cave size,I mean how about the gap between the cave and component? Do you have such spec.for 0402 Component? Please inform us

Re: 0402 pick problems

Electronics Forum | Fri Nov 17 11:52:41 EST 2000 | Stefan Witte

I've seen problems where the component was slightly thicker than the tape and popped out of the pocket upon transport. Is the component still in the pocket after mispick? Do you have access to a high speed camera or could rent one for a day?

0402 pick problems

Electronics Forum | Thu May 24 08:40:18 EDT 2001 | toolman

hi kris well 0.02 cents south african money is a lot less. but anyway we have a customer with 3 lines all lines are the same equipment and we have had major problems with 0402s .on some manf reels .as a test we moved one reel around and the problem m

Re: 0402 part identification

Electronics Forum | Wed Oct 06 09:23:47 EDT 1999 | Wolfgang Busko

| I would like comments on how the industry handles 0402 parts, regarding identification. Since the parts are too small to be labeled, how can we accurately identify the parts and or values, either before or after assembly? | When the boards go to te

Cover tape tearing

Electronics Forum | Thu Dec 15 17:30:42 EST 2005 | GS

Yes Davef, storage condition and long time remaining on shelf could effect pealing strength, but we experimented that by using Polystirene Carrier Tape also this problem was reduced almost to zero. Df, If I am not wrong when you talk about pr

Can CSM84V and CSM84VZ do 0402 ???

Electronics Forum | Mon Apr 17 22:54:51 EDT 2006 | Darby

Short answer is - not really. According to the manual in Chapter 1-5 Supply devices (Feeders) overview "There are also available an 8mm tape feeder which handles 1005(0402) square chips". I have never seen one. The problem is that even an H nozzle is

SMT Component rotation problem

Electronics Forum | Thu Feb 27 11:46:47 EST 2003 | genny

We have struggled with this as well. Basically, we have a consistent rotation for all packages of the same type, but I don't think our rotation has anything to do with the actual rotation that the PnP equipment actually wants to see. I believe our

Yield on 0402 SMT Printed Circuit Board Assemblies

Electronics Forum | Mon Jan 08 03:47:47 EST 2007 | tk380514

as someone had said before, check you stencil and have it redesigned. I design our stencils for my factory and have inproved quality in BGA , QFP and 0603 case sizes. we did have 1 prototype series that used 0403 chips btu we had brand new feeders an

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