Electronics Forum: stretch ipc 2

Re: Suspected Pink Ring

Electronics Forum | Thu Jul 29 15:35:05 EDT 1999 | Earl Moon

| | While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That wou

Re: Qualifying new PWB Vendors

Electronics Forum | Fri Jan 15 16:55:50 EST 1999 | Chrys

| | | Hello, | | | | | | We are qualifying new sources of PWB vendors. We've got the first lot of "produciton" boards in and we want to put them through the paces before turing the vendors on. | | | | | | So far, the tests I can think of performin

Re: Proflow of DEK screen printer

Electronics Forum | Tue Sep 07 15:28:13 EDT 1999 | Earl Moon

Listed below are the issues Viking has been experiencing since the installation of the Proflow Head: 1. After installing new 350mm Wiper foil with metal strip glued on it, It worked for about a week and suddenly metal stri

Re: Proflow of DEK screen printer

Electronics Forum | Wed Sep 08 08:25:26 EDT 1999 | Brad Kendall

Listed below are the issues Viking has been experiencing since the | installation of the Proflow Head: | 1. After installing new 350mm Wiper foil with metal | strip glued on it, It worked for about a week and suddenly meta

Re: Qualifying new PWB Vendors

Electronics Forum | Fri Jan 15 17:13:07 EST 1999 | Earl Moon

| | | | Hello, | | | | | | | | We are qualifying new sources of PWB vendors. We've got the first lot of "produciton" boards in and we want to put them through the paces before turing the vendors on. | | | | | | | | So far, the tests I can think of

Re: Suspected Pink Ring

Electronics Forum | Fri Jul 30 10:30:23 EDT 1999 | Wolfgang Busko

| | | While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That w

Re: Suspected Pink Ring

Electronics Forum | Fri Jul 30 16:06:22 EDT 1999 | Earl Moon

| | | | While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That

Re: Solder FINES vs. Solder Balls

Electronics Forum | Thu Apr 15 12:58:59 EDT 1999 | Chrys Shea

| | 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 foun

Re: Solder FINES vs. Solder Balls

Electronics Forum | Thu Apr 15 15:07:20 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 ar

Re: Solder FINES vs. Solder Balls

Electronics Forum | Sat Apr 17 12:00:12 EDT 1999 | John W

| | | | 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 t


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