Electronics Forum | Thu Sep 03 22:03:32 EDT 2020 | SMTA-64386139
Both conditions are acceptable for this bottom brazed flat pack package. The solder coverage must be within 0.070 inch of the lead/package interface per MIL-PRF-38535, paragraph A3.5.6.3.4.a. While that requirement could allow for a gold gap near t
Electronics Forum | Mon Sep 07 13:20:04 EDT 2020 | davef
Tombstone is often caused by an imbalance of temperature, pad shape or spacing, component termination, and component positioning. Pate formulation and reflow atmosphere are other common causes. Looking at the pads and components in your pictures mak
Electronics Forum | Tue Sep 08 23:12:57 EDT 2020 | SMTA-64387687
Have you tried rotating the board 90 or 180 going into the oven? With inductive components there's a possibility of magnetic current buildup, that pulls the component to one of the pads. Although, I've only seen it on larger inductors. Also, the pres
Electronics Forum | Fri Sep 11 00:56:44 EDT 2020 | rsatmech
Thanks for your inputs. Soak - 120 to 180 at average 110sec Paste - Senju - S70G - Type 5 (also suspect paste chemistry yet it's customer defined I can't do anything about this) N2 - maintaining O2 PPM at 1000 Stencil - planning to reduce the stenci
Electronics Forum | Mon Sep 14 22:59:42 EDT 2020 | kylet
Looking to power up this board with 3v coin battery. I've tested this board with it and it works but to solder this on or make something that has clips for the attachment to power this up. Positive and negative connections are the circles on the inne
Electronics Forum | Tue Sep 22 14:02:21 EDT 2020 | makersan
http://www.ltc.de/variogrid.html https://www.quik-tool.com/product.htm (they already said) http://www.crostu.com/products/rubber-supporter.html I haven't bought and used it yet. Would you share your experiences if you use any of them.
Electronics Forum | Tue Sep 22 14:33:41 EDT 2020 | majdi4
Thank you @Makersan CO for your input . Am still doing research for a best tool choice.. I want to avoid pneumatic supports because i had bad experiences with it..am looking for magnetic base supports involved in a dynamic movement block .. or someth
Electronics Forum | Thu Sep 24 12:18:38 EDT 2020 | tamasmagyar
I would recommend Grid-Lok from ASM, or VarioGrid from LTE. I have good experiences with them, and need small amount of maintenance in the long run. Both have magnetic bases and work with pressure air, but I've seen some models which don't require pr
Electronics Forum | Mon Sep 28 11:51:07 EDT 2020 | makersan
Well The feeder can work externally with the adapter. I can't get the label with the nozzle as the yamaha ys12f can't see the feeder. how can I say there is a feeder on yamaha 27th set? Is there anyone who can help with this?
Electronics Forum | Thu Oct 08 20:59:59 EDT 2020 | sosigguy
hello, have you solved this issue yet? can you not use the teaching function for a part to set the pickup position? I believe we have worked around by changing the property of one of the feeder types(i think we used Stick-B) under the machine proper
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