Electronics Forum | Tue Sep 26 07:46:49 EDT 2023 | robertanderson
A transformer winding machine is a specialized piece of equipment used in the manufacturing of transformers. Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction. They cons
Electronics Forum | Thu Feb 25 17:34:21 EST 2021 | roblackey
I think you are going to struggle without a laser designed for PCBAs (Asys, XJ Link etc) as they are designed to just burn into the resist and give good defininition, then readback to know you have a good mark. Key tips for our experience: Datama
Electronics Forum | Thu Dec 08 22:25:23 EST 2005 | davef
Grant Copper Oxide [Cu2O]: Color is red to a deep red that can appear almost black. Luster is adamantine or submetallic to dull or earthy if massive. Transparency: Crystals are transparent to translucent. Look here: http://mineral.galleries.com/min
Electronics Forum | Tue Aug 02 15:03:37 EDT 2016 | davef
On a previous black pad experience we soldered a wire to a fiducial and did a pull test to failure. On the black pad board the wire and solder pulled of clean leaving the fiducial on the board. On good boards the copper came off with the wire. If you
Electronics Forum | Tue Jan 03 07:12:22 EST 2006 | Slaine
on church copper roofs they call the green stuff verdigree (dont know if ive spelt it right)
Electronics Forum | Mon Jul 06 16:46:39 EDT 2020 | emeto
If I was you, I would use solid copper wire and modify the new switch to have contacts same location and size as the old one. Then solder the same spot a s a full replacement.
Electronics Forum | Tue Jul 05 17:16:01 EDT 2005 | davef
We agree with Pat, but it's far from straight forward. [er maybe we should say we don't understand it.] We duplicated the results of a posting on the web. Flux, then dunk copper wire into tinning pots set at 250*C for measured periods of time. The
Electronics Forum | Fri Dec 03 18:17:12 EST 1999 | Dave F
Dave: There's lots of stuff on the web describing BGAs. Examples are: http://www.smtnet.com/bookstore/publications/0speckdo1/s1.html http://www.smtnet.com/bookstore/publications/0shutcco1/ch1p2.html http://www.citizen-america.com/OEM/bga/process
Electronics Forum | Tue Jun 20 10:29:14 EDT 2006 | Chunks
I was afraid so. Hand soldering wires in general is not difficult, but with your constraint of the space restriction it does make fairly hard to do. I am assuming you have a 2 sided board and stranded copper wire. So once solder starts to flow, th
Electronics Forum | Wed Sep 27 23:52:28 EDT 2006 | fctassembly
Hello Steve, Yes, there are differences in the various alloys and I have described briefly below these differences: SN100- a common name for 100% tin that is used to increase the tin content in 63/37. SN100C-Name for Tin/Copper/Nickel/Germanium all
