Electronics Forum: pins (Page 89 of 229)

Support Fixtures or Systems

Electronics Forum | Mon Jul 30 11:19:00 EDT 2001 | hinerman

A flexible array support system is superior in the following categories discussed in the 'tooling classes' thread. -High Flexibility -Effective on a variety of products -Low operator intervention -Conforms to PCB, so it is both accurate and repeatab

PCB Support Methods @ the Fuji.

Electronics Forum | Wed Sep 22 16:48:40 EDT 1999 | C.K.

Question for you SMT guru's out there. What is the best way to support boards on Fuji's CP6 machine's x-y table...particularly for 2nd side SMT where the support side already has parts... I am toying around with the following methods: 1.) Custom b

Re: PCB Support Methods @ the Fuji.

Electronics Forum | Wed Sep 22 16:51:05 EDT 1999 | C.K.

| Question for you SMT guru's out there. | | What is the best way to support boards on Fuji's CP6 machine's x-y table...particularly for 2nd side SMT where the support side already has parts... I am toying around with the following methods: | | 1.

Re: PCB Support Methods @ the Fuji.

Electronics Forum | Thu Sep 23 10:20:58 EDT 1999 | Earl Moon

| Question for you SMT guru's out there. | | What is the best way to support boards on Fuji's CP6 machine's x-y table...particularly for 2nd side SMT where the support side already has parts... I am toying around with the following methods: | | 1.

Re: pallet design for thin pcb's

Electronics Forum | Thu Sep 23 22:31:25 EDT 1999 | Dave F

| | i'm sure everyone has run into this at one point or another. I have a thin pcb .025 that is single up that has to be built on a pallet. does anyone have any tricks to the pallet design that will help to hold these boards down during the scree

Re: Fuji Feeder Alignment Tools

Electronics Forum | Tue Sep 07 06:49:18 EDT 1999 | stefano bolleri

| | | I agree SB..Fuji feeders rarely get off that much.Are you using | the Auto-Offset function in your Part data?This will | usually keep your pick on Cp's humming! | YES, always use the auto-offset function in each part data (do you also need t

600 pin BGA Reliability

Electronics Forum | Tue Jul 27 16:08:04 EDT 1999 | Kathleen at ATL

I'm working on a prototype board that requires a 600 pin BGA. This is a metal top BGA being placed on a 11" x 17" PCB about .62" thick. The part is 1.77" square with a 50 mil pitch and 30 mil bump diameter. The bumps are located on the perime

Re: single pin connector (II)

Electronics Forum | Mon Jul 26 17:04:14 EDT 1999 | JohnW

| | | | Despite the goodness of Dave F. and George Verboven, I was unable to find the damned single pin connector. As a last attempt, I've draw it (see the link) | | | | If somebody knows where can buy it, please help me | | | | (and sorry for to

Re: How to start a selective soldering process

Electronics Forum | Fri Jul 16 14:42:36 EDT 1999 | Glenn Robertson

| I'm planning to introduce selective point-to-point soldering for pwb. This is due to various needs: PIHs assy on double IR, for example. I think the most suitable solution is a point-to-point soldering, 'cause we're still having small lot/many type

Detecting lifted leads on QFPs

Electronics Forum | Fri May 28 07:37:52 EDT 1999 | Steve Cheung

Yes l know this problem keeps cropping up on the forum but l've missed some of the follow-ups. Our problem is that the lifting only occurs on 3% of production so actually detecting an improvement is difficult. We're actually having to inspect 144 p


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