Electronics Forum | Thu Jun 03 21:21:24 EDT 1999 | Greg
Any of you Process/Manufacturing Engineers, techs, etc..or those of you who 'have a clue' about this stuff been victimized by (clueless and uneducated) Manufacturing Supervisors and (clueless and uneducated) Managers who blame EVERYTHING on YOU, the
Electronics Forum | Sat May 29 22:10:28 EDT 1999 | Earl Moon
| We are looking into frameless stencil systems for screen printing. Outside frame size of 29x29. | | Pros: smaller storage requirements and cheaper stencils. | | Cons: sharp metal edges, additional change over time required | | Can anyone relay
Electronics Forum | Thu May 20 22:42:19 EDT 1999 | Dave F
| hi everybody, | We've been doing some studies on assembly of CSPs. We assembled these packages on micrivia-in-pad patterns. These are 15/13.5/11 mil pads with 6 mil design microvia, using photo/laser/plasma tech. We are seeing voids, as big as the
Electronics Forum | Tue May 04 10:30:35 EDT 1999 | Dave F
| I am about to embark on an effort to evaluate 3 different solder material suppliers and their recommended materials for our assembly process, in an effort to find the best supplier/material. We do mixed technology, with NOCLEAN chemistry so I will
Electronics Forum | Wed Apr 14 13:37:56 EDT 1999 | Mark Charlton
Can someone explain the difference between solder "fines" and solder balls? Is there an official specification where "fines" are defined? What is the spec for "fines"? I consider "fines" individual unmelted metal spheres that are found in solder
Electronics Forum | Wed Mar 10 20:13:23 EST 1999 | Earl Moon
For Dean and the rest of you interested, I have reconciled many of my thermal issues with this machine and its peculiarities. The bottom side heater seems adequate, at 750 watts (not going to spend 10 grand extra for 500 more watts no matter what) a
Electronics Forum | Mon Feb 22 20:45:04 EST 1999 | Dave F
| I need some help to see if anyone knows of a vendor that makes a permanent marker that is in the Houston area that can write on a PCB the size of a grain of rice using white permanent ink...That's the amount of space we have to write our serial num
Electronics Forum | Tue Feb 23 15:10:34 EST 1999 | michael nguyen
| | I need some help to see if anyone knows of a vendor that makes a permanent marker that is in the Houston area that can write on a PCB the size of a grain of rice using white permanent ink...That's the amount of space we have to write our serial n
Electronics Forum | Tue Feb 23 17:00:48 EST 1999 | Dave F
| | | I need some help to see if anyone knows of a vendor that makes a permanent marker that is in the Houston area that can write on a PCB the size of a grain of rice using white permanent ink...That's the amount of space we have to write our serial
Electronics Forum | Mon Mar 01 09:11:29 EST 1999 | Brian C
| | | | I need some help to see if anyone knows of a vendor that makes a permanent marker that is in the Houston area that can write on a PCB the size of a grain of rice using white permanent ink...That's the amount of space we have to write our seri
