Electronics Forum | Fri Sep 10 14:32:49 EDT 1999 | John Thorup
| We have a product, with various PWBs, with over 600 parts each one (We are a low Volume/high mix company with an average component placement per PCB between 250 to 300 parts). This PWBs have 7 to 10, 20 mils pitch parts. We are having problems with
Electronics Forum | Tue Sep 07 06:29:19 EDT 1999 | Earl Moon
| We are changing over to a No-Clean paste soon and l was wondering how other people tackle the issue of stencil and PCB cleaning in high-volume production. | | The paste we are using is Cobar 325RX and its pretty sticky stuff let me tell you! | |
Electronics Forum | Tue Sep 07 20:21:31 EDT 1999 | armin
| | We are changing over to a No-Clean paste soon and l was wondering how other people tackle the issue of stencil and PCB cleaning in high-volume production. | | | | The paste we are using is Cobar 325RX and its pretty sticky stuff let me tell you!
Electronics Forum | Wed Sep 01 13:58:10 EDT 1999 | Dave F
| Is it feasible to have one type of board carriers to take boards thru 1) glue curing process for first side and 2)invert carriers with boards, and 3)reflowing second side, and 4) do manual stuffing of th components and 5) take them thru selective w
Electronics Forum | Tue Aug 24 02:21:32 EDT 1999 | Earl Moon
| This is out of the normal scope of this site but� | | I am in search of a Digital Camera for use with documentation instructions. What would be the Minimum Resolution that I should require? I will need details of assemblies such as Component Ide
Electronics Forum | Tue Aug 24 02:25:44 EDT 1999 | Earl Moon
| | This is out of the normal scope of this site but� | | | | I am in search of a Digital Camera for use with documentation instructions. What would be the Minimum Resolution that I should require? I will need details of assemblies such as Compone
Electronics Forum | Tue Aug 31 09:20:22 EDT 1999 | Jon Gruett
| | This is out of the normal scope of this site but� | | | | I am in search of a Digital Camera for use with documentation instructions. What would be the Minimum Resolution that I should require? I will need details of assemblies such as Compone
Electronics Forum | Mon Aug 23 11:27:00 EDT 1999 | Dave F
0.6 �m (25 micro inches) and self-limit around 5 mils depending on the material being plated and the process. Similarly with white tin, laminates with cleaned copper are immersed in a series of tin baths without an external source of electric curren
Electronics Forum | Wed Aug 18 16:15:04 EDT 1999 | Earl Moon
| Hadco offers a technology of building in a "buried" capacitance layer (& other embedded passives) in organic PWBs (FR4 for example). see http://www.hadco.com/prod03.htm and a design manual is posted here: http://www.hadco.com/pdfs/bcguide.pdf | I
Electronics Forum | Thu Aug 05 10:46:20 EDT 1999 | Dave F
| We are installing a new reflow oven and I have been told that we do not need to vent the exhaust out through the roof since we have a false ceiling. All that is required is to vent above the false ceiling and that the air exchange is great enough t
