Miscellaneous > Fabrication

12" Lathe

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joestue:
so its relatively easy to get .001" or less flatness across 2 inch diameter without much effort, you can do that with a file, by hand.

if you can't solder directly to the back of a microwave transistor, as in solder it to the copper heat sink directly..


for 5$ you can buy a sheet of indium
https://coldandcolder.com/products/indium/?variant=32417521795169

Mary B:
The big 1,000+ watt transistors MUST be soldered to the heat spreader to transfer heat better

Mary B:

--- Quote from: joestue on April 10, 2022, 10:19:25 PM ---so its relatively easy to get .001" or less flatness across 2 inch diameter without much effort, you can do that with a file, by hand.

if you can't solder directly to the back of a microwave transistor, as in solder it to the copper heat sink directly..


for 5$ you can buy a sheet of indium
https://coldandcolder.com/products/indium/?variant=32417521795169

--- End quote ---

Interesting... I have to order some of that for CPU cooling!

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