Electronics Forum: john and thorup (Page 1 of 29)

Re: SERA and ROSA

Electronics Forum | Mon Nov 08 14:18:10 EST 1999 | John Thorup

Reduced Oxide Soldering Activation is an electrochemical method of restoring the solderability of surfaces. Searching the archives of IPC technet and this forum will reveal more details. John Thorup

Re: Tape and Reel equipment

Electronics Forum | Mon May 15 14:59:27 EDT 2000 | John Thorup

Hello Aldo Can't help you with the virtues of a specific machine but I would suggest that you search this net's industry directory for a number of of other possibilities. Also try Microscan in Washington State. 360/331-8212 John Thorup

Re: SMD packages dimensions and solder land information

Electronics Forum | Thu Nov 11 11:38:39 EST 1999 | John Thorup

Try the Professional SMT Component and Land Pattern Book from SMT Plus. Link below. John Thorup

Re: No clean and f devices

Electronics Forum | Thu Nov 11 18:28:10 EST 1999 | John Thorup

Hi Jeff Actually it's not necessarily Signal to Noise Ratio or even RF circuitry. All no cleans leave behind residue by description. This residue can affect RF or other high frequency circuits in a number of different ways including SNR. Very high

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 17:59:09 EDT 1999 | Mik Horvath

Hi, I'd like to ask some tips about the merits and shortcomings o of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our application? The boards contain

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 18:10:33 EDT 1999 | Mik Horvath

Hi, I'd like to ask some tips about the merits and shortcomings o of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our application? The boards contain

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 15:20:25 EDT 1999 | John Thorup

Hi, I'd like to ask some tips about the merits and shortcomings o of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our application? The boards contain no BGA and

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 13:41:42 EDT 1999 | Dave F

snip If you go for plugging be sure you have a protrusion spec that you can live with. This often results in little bumps of epoxy that can interfere with component placement. For us, tenting .015 vias usually gets us about 80% coverage from

Re: Farewell and thanks to all

Electronics Forum | Tue Sep 07 16:43:58 EDT 1999 | John Thorup

Last Thursday I resigned from my position as manager of SMTnet. I want to personally thank all SMTnet viewers, editors, customers, colleagues, and others for your support to me in the creation and expansion of SMTnet over the last four years.

Re: Farewell and thanks to all

Electronics Forum | Tue Sep 07 20:14:10 EDT 1999 | armin

Last Thursday I resigned from my position as manager of SMTnet. I want to personally thank all SMTnet viewers, editors, customers, colleagues, and others for your support to me in the creation and expansion of SMTnet over the last four years

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