Electronics Forum: a-600 (Page 8 of 8)

Re: Bow and Twist of PCB's

Electronics Forum | Wed Aug 19 08:00:55 EDT 1998 | Earl Moon

| Hi there, | I'm actually facing a lot of trouble with PCB's presenting up to 3mm of bow /twist at reception i.e. before assembly. The PCB size is 220 by 230mm. The boards are to be assembeled SMD double sides with 05.mm pitch on both sides. In orde

Used Equipment from China

Electronics Forum | Fri Aug 12 12:08:35 EDT 2005 | fastek

Well....I'm not sure what you exactly mean or expect in a "money back guarantee" but I will tell you this....it's simply not going to happen with a used machine. The phrase I use when selling a machine is "complete and operational"...which means the

Re: Suspected Pink Ring

Electronics Forum | Wed Jul 28 16:36:30 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 w

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: Qualifying new PWB Vendors

Electronics Forum | Sat Jan 16 02:43:21 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 performing, and that we have

Re: PCB fab supplier supplier/evaluation

Electronics Forum | Sun Aug 08 11:15:32 EDT 1999 | Earl Moon

| | Mike, | | | | Got your message and those of others concerning PCB fab supplier evaluation and qualification check lists, etc. I have a severe problem here in WI as I can hardly access the internet, and when I do it is cut off abruptly for no goo

Previous 3 4 5 6 7 8  

a-600 searches for Companies, Equipment, Machines, Suppliers & Information

Selective soldering solutions with Jade soldering machine

Stencil Printing 101 Training Course
Pillarhouse USA for Selective Soldering Needs

High Precision Fluid Dispensers
Software for SMT

World's Best Reflow Oven Customizable for Unique Applications