Electronics Forum: smt and hmp and solder and paste and reflow and profile (Page 6 of 6)

LED (Seven Segment) found with missing segment and dimmer

Electronics Forum | Wed Jul 20 03:10:45 EDT 2011 | umar

I have mount the 8 pcs SEVEN SEGMENT LEDS on the PWB side at SMT Process, after reflow the board test at customer side and facing some issues which is missing segment and also one segment founded dimmers compare to other segment. Data sheet of LEDs

Re: SMT training classes and start up equipment

Electronics Forum | Tue May 05 13:44:57 EDT 1998 | Mark Mitchell

Mr. Desrochers; Philips EMT Americas offers a three day course entitled, "Introduction to SMT Manufacturing". The course addresses all major factors that influence the automated SMT assembly process. Topics that are discussed in the course are list

Need low cost pick and place machine for limited production

Electronics Forum | Tue Aug 11 17:36:44 EDT 2009 | dyoungquist

You are looking for a complete SMT assembly line plus possible X-Ray inspection and rework equipment. The 3 components of the SMT line are stencil printer, pick-n-place machine and reflow oven. How small are your components? 0603? 0402? What is the

Gold plated board, with csp's and 0603 with no clean apetures

Electronics Forum | Thu Sep 26 11:44:23 EDT 2002 | abelardo

Hello everyone out there in the SMT world. I have a dilema I'm currently running a board that has 3 csp's with a .75 mm. ball pitch and .3mm ball size. And 2 qfp's-160. The stencil is 4 mils thick and I'm using a 63/37 solder paste. My reflow prof

Reflow Temperatures and speed for a 7 zone top/bot for conceptro

Electronics Forum | Mon Jun 16 14:39:49 EDT 2003 | stepheno

The second one is typical. The important temperature is the temperature of the joint, not the setting of the oven. The oven setting are only important because they determine the temperature of the joint. If you set the oven to 150, that will be th

I mounted the parts on the buck-boost DCDC converter and measured the characteristics

Electronics Forum | Tue Aug 23 03:29:37 EDT 2022 | samhe

I received a buck-boost DCDC board with an optical sensor from NextPCB, so I mounted the components and measured the efficiency. Table of contents Board received from NextPCB Solder paste printing Mounting of parts Reflow operation check Attaching

Can anyone tell me that between Mirtek & Kohyoung which AOI machine will be better and why?

Electronics Forum | Thu Feb 12 16:42:33 EST 2015 | hegemon

I can only speak for Mirtec and Yestech AOI for SMT Solder Inspection. We do use Koh-Young AOI for Solder Paste Inspection. As usual ,you need to identify exactly what it is you are trying to achieve with your AOI, if you are just trying to fill a

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