By 'grid' I meant laying out the copper tape (or I was actually considering aluminum tape) as a solid continuous trace all along the bottom of the glass in a "search grid" pattern- or basically a snake. This could also be done with a thin solid piece of resistance wire (Kantahl maybe) bent painstakingly into the same pattern and held on with Kapton tape. Don't remember where but saw a guy online who was doing this using an array of stick pins on a cork board to use to bend the wire.
Kanthal is easily available off fleabay and comes in these resistance per inch levels:
AWG 20: Low Resistance (0.07 ohms/inch)
AWG 22: Low Resistance (0.11 ohms/inch)
AWG 24: Low Resistance (0.175 ohms/inch)
AWG 26: Low Resistance (0.28 ohms/inch)
AWG 28: Low - Standard Resistance (0.44 ohms/inch)
AWG 30: Low - Standard Resistance (0.70 ohms/ inch)
AWG 32: Low - Standard Resistance (1.1 ohms/ inch)
AWG 33: Low - Standard - High Resistance (1.39 ohms/inch)
AWG 34: Standard - High Resistance (1.76 ohms/inch)
The ink is a good idea. Had not thought of that. Does is spray on? How is the adhesion to glass?
- other chris
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