Electronics Forum: (4) (Page 526 of 630)

Re: Film Capacitors - Tombstoning or Drawbridging Problems

Electronics Forum | Wed Mar 25 19:31:13 EST 1998 | Earl Moon

We are having some problems with "drawbridging" on 0805 film capacitors. We have already reduced the pad width from .050" to .040" based on input from vendor. Defects appear to be random as far as location on the PWB and direction o

Re: Film Capacitors - Tombstoning or Drawbridging Problems

Electronics Forum | Sun Mar 29 15:42:05 EST 1998 | Michael Fogel

We are having some problems with "drawbridging" on 0805 film capacitors. We have already reduced the pad width from .050" to .040" based on input from vendor. Defects appear to be random as far as location on the PWB and direction

Re: Film Capacitors - Tombstoning or Drawbridging Problems

Electronics Forum | Mon Mar 30 07:44:12 EST 1998 | Earl Moon

We are having some problems with "drawbridging" on 0805 film capacitors. We have already reduced the pad width from .050" to .040" based on input from vendor. Defects appear to be random as far as location on the PWB and d

Re: Reflow Oven Evaluation Using Cpk

Electronics Forum | Fri Mar 20 15:10:54 EST 1998 | Steve Abrahamson

Cpk's on top flight ovens (e.g., Conceptronics, Heller, Electrovert, Vitronics) vary wildly, from 1 to 2+, between different supplers. The suppliers don't seem to understand Cpk's. A supplier's rep whose oven has a Cpk of 1.0 told me: 1. Cpk's

Re: Paste in hole

Electronics Forum | Tue Mar 17 13:11:58 EST 1998 | ETS, LLC

ETS (Energy Technology Systems) is a manufacturer of Solder Reflow and Curing Ovens for the Electronics Industry. We offer a specially configured oven designed for processing of Pin in Paste processes as well as double sided mix technology boards. I

HASL PCB non-wetting

Electronics Forum | Mon Mar 16 01:06:25 EST 1998 | Victor Ng

Dear all, Recently I have a problem of non-wetting at our wave soldering process. It appears only on the SMT pads for the chip components (at the solder side) of the HASL PCB. With all the same parameters on the wave soldering machine, i

Re: Any help reflow soldering Through Hole parts

Electronics Forum | Fri Mar 06 23:13:13 EST 1998 | Scott Cook

We have a double sided pcb that is surface mount on both sides. Now a Through Hole connector has been added. Appart from hand soldering does anyone have info. on reflow soldering the part. The connector is 0.1mm pitch, square legs. 1) Do you need

Re: Any help reflow soldering Through Hole parts

Electronics Forum | Fri Mar 06 15:04:11 EST 1998 | Todd N

We have a double sided pcb that is surface mount on both sides. Now a Through Hole connector has been added. Appart from hand soldering does anyone have info. on reflow soldering the part. The connector is 0.1mm pitch, square legs. 1) Do you need

Re: Any help reflow soldering Through Hole parts

Electronics Forum | Fri Mar 06 23:02:43 EST 1998 | Scott McKee

We have a double sided pcb that is surface mount on both sides. Now a Through Hole connector has been added. Appart from hand soldering does anyone have info. on reflow soldering the part. The connector is 0.1mm pitch, square legs. 1) Do you

Re: Reflow oven feedback

Electronics Forum | Wed Feb 25 02:50:33 EST 1998 | Scott McKee

I am currently evaluating some different reflow ovens for a future purchase. The manufacturers we are looking at are Conceptronic, BTU, and Heller. Any feedback on these manufacturers would be welcome. I am particularly interested in: 1


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