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A comment on Making a Menger sponge in stained glass. Parent comment

Re:Making a Menger sponge in stained glass by dsr_ on Thursday February 14, 2019 @10:13AM (#19162400)
Glass is a perfectly good circuit board material. Here's a company offering it commercially:

http://www.hoyaoptics.com/gcb/index.htm

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Re:Making a Menger sponge in stained glass by moftz on Thursday February 14, 2019 @01:35PM (#19164489)
That is pretty neat, it's essentially a macroscale version of a CMOS process.
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