Electronics Forum | Sat Mar 20 00:29:07 EST 1999 | Vinesh Gandhi
| | Hi Folks, | | This is my first surface mount board, so I asked our assembly house for some tips. They said only passives on the bottom side-preferably no smaller than 0805, 0603 only if I have to. I would think that an SOT-23 would be OK on the b
Electronics Forum | Sun Mar 21 06:27:45 EST 1999 | Bob Willis
| Hi Folks, | This is my first surface mount board, so I asked our assembly house for some tips. They said only passives on the bottom side-preferably no smaller than 0805, 0603 only if I have to. I would think that an SOT-23 would be OK on the botto
Electronics Forum | Wed Mar 24 19:26:25 EST 1999 | Marc Ruggiero
| Hi Folks, | This is my first surface mount board, so I asked our assembly house for some tips. They said only passives on the bottom side-preferably no smaller than 0805, 0603 only if I have to. I would think that an SOT-23 would be OK on the botto
Electronics Forum | Wed Mar 17 19:58:00 EST 1999 | Marc Ruggiero
Hi folks, I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diameter and volume, and sometimes f
Electronics Forum | Tue Mar 16 17:05:14 EST 1999 | Jeff Dahlin
We are having a small number (~2%) of our boards pass our manufacturing diagnostics, fail once they reach the customer, fail when they get back to us and then start working again after handling them for a short time. We have eliminated a lot of item
Electronics Forum | Wed Mar 17 09:32:35 EST 1999 | Dave F
| We are having a small number (~2%) of our boards pass our manufacturing diagnostics, fail once they reach the customer, fail when they get back to us and then start working again after handling them for a short time. We have eliminated a lot of it
Electronics Forum | Tue Mar 16 15:59:40 EST 1999 | GSM GURU!
| I am in need of feeder that that will feed a 76mm wide tape @ a 60mm pitch to be used on a Universal GSM. | It is not a standard tractor feed, so it would require quite a bit of ingenuity. | Does anyone out there know of someone who designs and bui
Electronics Forum | Wed Mar 17 12:19:53 EST 1999 | Scott Cook
| Does anyone have any recommendations on spray fluxers? Are there major differences between the high priced ultrasonic machines to the low priced flux/air spraying machines? We are going to be spraying an OA flux with 11% solids content. Are there a
Electronics Forum | Mon Mar 15 08:21:31 EST 1999 | George Verboven (Process Engineer)
In the early days, we used screens made of stainless steel or polyester. Sometimes - after A period - the tension was not good, because A wire was broken. Later on we started to us metal stencils, glued in A polyester screen. even than we had sometim
Electronics Forum | Mon Mar 15 09:55:53 EST 1999 | Justin Medernach
| After rmoving a BGA (plastic)to correct unexplained shorts | I installed another BGA using flux only. | Checking on an X Ray machine and found two shorts. | | can anyone give a good explenation ? | | Thanks | | Ron | Ron, It could be a number o
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