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6/11/2012 Laser cut into 7x7 mm sample, solvent clean
Debris due to laser cut observed
On 6/13/2012, found out that this laser cutting procedure raises a normal silicon sample temperature high enough to hard-bake the photoresist, so it can possibly initiate could have initiated gold diffusion on 4a.
Sample 4b
6/11/2012 Laser cut into 7x7 mm sample, solvent clean
Debris due to laser cut observed
On 6/13/2012, found out that this laser cutting procedure raises a normal silicon sample temperature high enough to hard-bake the photoresist, so it can possibly initiate gold diffusion so it could have initiated gold diffusion on 4b.