Electronics Forum: bottom (Page 181 of 231)

Re: 2512's To Wave or not to Wave????

Electronics Forum | Tue Apr 27 15:09:09 EDT 1999 | Justin Medernach

| Has anybody had experience wavesoldering 1 watt 2512 resistor packages?? I know it can be done, but are there reliability issues? | | We are in the middle of a new product and the question was posed to me "Can we use 2512 1 watt resistors on the

Re: Delamination

Electronics Forum | Tue Apr 27 13:58:15 EDT 1999 | Scott McKee

| Board Experts | | I am fighting with a board house about a delamination problem.. First the facts | 1) 10 layer board .063 thick HASL Finish Aprox 16 in x 17 in. | 2) 150 Boards with this part number built with the same reflow oven settings (2

Re: Delamination

Electronics Forum | Tue Apr 27 17:22:40 EDT 1999 | Dave F

| Board Experts | | I am fighting with a board house about a delamination problem.. First the facts | 1) 10 layer board .063 thick HASL Finish Aprox 16 in x 17 in. | 2) 150 Boards with this part number built with the same reflow oven settings (2

Re: WAVE SOLDERING and Gluing 0603 packages

Electronics Forum | Fri Apr 23 14:59:14 EDT 1999 | Chrys Shea

| Has anyone had trouble waving and gluing 0603 R's and C's? At my company, our designers have "opened the floodgates" on bottom-side 0603's. | | We've got an EPK+ with rotary chip and omega wave but can't seem to get skip-free soldering on these g

Re: WAVE SOLDERING and Gluing 0603 packages

Electronics Forum | Fri Apr 23 15:04:44 EDT 1999 | M.T.

| | Has anyone had trouble waving and gluing 0603 R's and C's? At my company, our designers have "opened the floodgates" on bottom-side 0603's. | | | | We've got an EPK+ with rotary chip and omega wave but can't seem to get skip-free soldering on t

Re: Via's in BGA pads

Electronics Forum | Wed Apr 21 17:11:05 EDT 1999 | Earl Moon

| Does anyone have any experience with soldering 50mil pitch BGA's that have a via in the pad, the size is .012 The via will be masked off on the bottom side of the board. Need to know what precautions or problems if any I might encounter. The proces

Re: Via's in BGA pads

Electronics Forum | Wed Apr 21 19:09:10 EDT 1999 | Earl Moon

| | Does anyone have any experience with soldering 50mil pitch BGA's that have a via in the pad, the size is .012 The via will be masked off on the bottom side of the board. Need to know what precautions or problems if any I might encounter. The proc

Re: roll type of cleaning wiper

Electronics Forum | Sun Apr 18 14:26:36 EDT 1999 | Steve Gregory

| | Please visit our Web site, especially 'link page', to get some hint for roll typr of cleaning wiper for automatic screen printers. http://www.squeegee.co.kr | | | Idiot: I wouldn't visit your site if I had to start using toilet paper. Keep yo

Re: roll type of cleaning wiper

Electronics Forum | Sun Apr 18 19:16:28 EDT 1999 | Wayne Bracy

| | | Please visit our Web site, especially 'link page', to get some hint for roll typr of cleaning wiper for automatic screen printers. http://www.squeegee.co.kr | | | | | Idiot: I wouldn't visit your site if I had to start using toilet paper. K

Re: Adhesion loss on passives over wave

Electronics Forum | Thu Mar 18 13:54:30 EST 1999 | John

| 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 somet


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