Electronics Forum: solder (Page 1982 of 2099)

HASL surface finish

Electronics Forum | Mon Jun 15 16:31:25 EDT 2020 | rgduval

You may find some wetting issues running LF HASL with 63/37, as your reflow temperatures will be significantly below the LF reflow. On fiducials...if you don't have a quote for your boards with ENIG, I would recommend at least checking it out. It's

X-Ray inspection machine purchase guide

Electronics Forum | Tue Aug 18 16:16:36 EDT 2020 | charliedci

We have a Glenbrook Jewel Box 70T, purchased about 5 years ago, Think it was around $60K quoted price (we traded in our old Glenbrook for a discount), Software pretty basic, can store images and has some graphics and image processing capability. It h

Vapor degreasing cleaning

Electronics Forum | Sun Aug 30 17:31:15 EDT 2020 | kylehunter

Hi all, (I posted on eevblog also, figured I'd try hear as well since this seems like a semi "niche" question) I need some advice on PCB cleaning. Up to this point, our assembly line has strictly run NC paste, with all SMT parts. We never washed an

Red-E-Set Support Damaging Double Side Components on DEK

Electronics Forum | Mon Oct 05 07:48:12 EDT 2020 | tamasmagyar

Hi Smitty, I am currently using Manual Lock Red-E-Set, and never had problems with damaged components. Although at my last workplace, we used VarioGrid, and encountered same problems as you. I suggest checking the pins on the support tools(s) you h

IPC pass/fail

Electronics Forum | Mon Nov 30 14:29:46 EST 2020 | kylehunter

Hi all. A recent board has shown some issues with graping and non-wetting on some 0402 capacitors. I believe we have the issue sorted. A combination of a 4 mil stencil with 2 mil reduction not giving us enough paste, and too long of a soak profile.

Laser etching onto PCBs

Electronics Forum | Tue Jul 13 16:43:06 EDT 2021 | jseewald

Is the variation between markings human-detectable, or does the issue only crop up when you use a scanner? Different scanners can definitely have different results. Try a few models, and make sure you aren't using any damaged scanners. When you se

Reflow Oven Standard oxygen content

Electronics Forum | Thu Jun 10 13:29:21 EDT 2021 | edgar_smt_ap

Good morning. What should be the Oxygen content Standard in an Oven? Here in my company, we have an ERSA reflow Oven, and we work with Lead Free solder paste. According to Work Standard documents send by my company corporate, the PPM Oxygen conte

Does anyone have experience with RPS Selective Solder machines?

Electronics Forum | Mon Nov 22 13:26:33 EST 2021 | dontfeedphils

I purchased, ran, programmed, and maintained a RPS slide for a number of years and can't say that I had any major complaints about it. It ran well as long as it was maintained well (which is no different than any other SS I've worked on). Support w

Does anyone have experience with RPS Selective Solder machines?

Electronics Forum | Tue Nov 23 18:59:14 EST 2021 | kumarb

Hi. To add to your homework... 1) RPS are from the former team that developed the ACE KISS product line. 2) From brief chats, NORDSON is still building the last versions of the ACE KISS designs while RPS has continued to advance the tool. 3) Anoth

SPI

Electronics Forum | Fri Apr 29 23:57:24 EDT 2022 | auriga2001

I ran a SMT production line with and without SPI. I was also charged with gathering the time and defect metrics when we got our new SPI machine, comparing before and after implementation. It saved time on the printer because it didn't have to handle


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