Electronics Forum: designing (Page 121 of 537)

PCB post reflow cleaning

Electronics Forum | Mon Apr 05 08:21:14 EDT 2004 | Grant Petty

Hi, Thanks for the tip, and I will check that out! We have some heavy BNC type connectors, so they need a bit of heat, and this could be right that we are then overheating the flux. Regards, Grant Blackmagic Design

depanelisation of IMS board

Electronics Forum | Wed Mar 31 01:25:16 EST 2004 | amil

dear all, we prepare ourself to assembly IMS board The PCB design with V cut How to depanelisy it? With scoring machine or manual breaking? Any experience Thanks G�bor

Fuji Pick and Place Machines

Electronics Forum | Fri May 07 02:27:57 EDT 2004 | Grant Petty

Hi, They do what we need component wise, however I was wondering if anyone had info on reliability, ease of programming. We are looking XP 142 and 242 series chip shooters and fine pitch placers. Regards, Grant Blackmagic Design

Alpha UP78 OSP problem

Electronics Forum | Tue May 11 10:43:37 EDT 2004 | Melissa

Has anyone experienced problems lately with excess flux residue left on the board after reflow when using Alpha UP78 OSP paste? We are getting a component failure that the designers are blaming on too much residue. Thanks

Recomendations? Fuji CP7 or Univ HSP4797?

Electronics Forum | Mon May 24 17:50:44 EDT 2004 | Grant

Hi, Thanks for the info, and were the cost of running very high? Do they take long to change over products? Regards, Grant Blackmagic Design

Recomendations? Fuji CP7 or Univ HSP4797?

Electronics Forum | Sat Jun 26 02:19:07 EDT 2004 | Grant

Hi, Thanks for the feedback in your experiences, and I am heading up to a show next week, and will get a chance to check it out! Regards, Grant Blackmagic Design

Via in pad

Electronics Forum | Fri Jun 11 06:06:41 EDT 2004 | davef

Have your designer place the via on the edge of the pad, centered and cover it with soldermask. If this is a leadless capacitor or resistor-style component, the corresponding pads will need to partially covered with solder mask to match the via in p

Anyone using Sony TiMMS?

Electronics Forum | Mon Dec 06 05:56:18 EST 2004 | Grant

Hi, Yes, I would be very interested. Can you email info@blackmagic-design.com with your email address, and ask for the email to be forward to Grant. I don't want to post my direct email address here because of spam. Regards, Grant

Stencil / Pad design

Electronics Forum | Mon Jun 28 08:25:54 EDT 2004 | Scott Dodge

What is the difference between a smooth finish organic coated bare copper board for fine-pitch components and HASL finish?

Flux Designations and Composition

Electronics Forum | Wed Jul 07 17:27:48 EDT 2004 | davef

There is a way to post papers [Tons of them have been posted, to date. Look in the "SMT Library" maybe.] Email info@smtnet.com for details.


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