AI Weirdness (Page 71)

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By Janelle Shane On December 15, 2013 - 1 min read

There aren’t any dyes or pigments in this photo - all this color is due to the wave nature of light. Thin transparent films produce rainbows, when light waves bouncing off the top and the bottom of the film interfere with each other on the way back. It’s the

Tuesday December 10, 2013

By Janelle Shane On December 10, 2013 - 1 min read

Coastline of the land of monuments… tiny monuments. Each of them would fit easily inside a single human cell. They’re formed out of semiconductor, and are the result of what we call micromasking: tiny bits of debris landed on the semiconductor before the etching step, and protected the semiconductor

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By Janelle Shane On December 10, 2013 - 1 min read

Coastline of the land of monuments… tiny monuments. Each of them would fit easily inside a single human cell. They’re formed out of semiconductor, and are the result of what we call micromasking: tiny bits of debris landed on the semiconductor before the etching step, and protected the semiconductor

Thursday December 05, 2013

By Janelle Shane On December 05, 2013 - 1 min read

Thin transparent films produce rainbows - an effect due to the wave nature of light (the same effect that gives soap bubbles their rainbow colors). Here, the thin film might be photoresist or dried residue from some sort of solvent, like acetone. I’ll probably never know, since this wasn’t

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By Janelle Shane On December 04, 2013 - 1 min read

Thin transparent films produce rainbows - an effect due to the wave nature of light (the same effect that gives soap bubbles their rainbow colors). Here, the thin film might be photoresist or dried residue from some sort of solvent, like acetone. I’ll probably never know, since this wasn’t

Monday December 02, 2013

By Janelle Shane On December 02, 2013 - 1 min read

This one looked to me like a line of people, standing at attention. It’s actually an edge-on view of a comb-like grating structure, seen here as it passes between two rectangular alignment markers. The people-like shape is due to the weird way the plasma etcher ate

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By Janelle Shane On December 02, 2013 - 1 min read

This one looked to me like a line of people, standing at attention. It’s actually an edge-on view of a comb-like grating structure, seen here as it passes between two rectangular alignment markers. The people-like shape is due to the weird way the plasma etcher ate

Friday November 22, 2013

By Janelle Shane On November 22, 2013 - 1 min read

Frostlike patterns emerge when acetone partially dissolves a plasticy layer of old photoresist. This is the same sample as in my previous post [http://tmblr.co/ZP7VLs_nDmsM], which used to be covered in jagged black mountains made of plasma-damaged photoresist. Now the mountains are mostly dissolved away, except

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By Janelle Shane On November 22, 2013 - 1 min read

Frostlike patterns emerge when acetone partially dissolves a plasticy layer of old photoresist. This is the same sample as in my previous post [http://tmblr.co/ZP7VLs_nDmsM], which used to be covered in jagged black mountains made of plasma-damaged photoresist. Now the mountains are mostly dissolved away, except

Monday November 18, 2013

By Janelle Shane On November 18, 2013 - 1 min read

This image is from a test of our plasma etcher, and shows a white plain of semiconductor laser material etched partially away by plasma. In the background is the black remains of photoresist that was protecting other areas of semiconductor from being etched - it did the job, but took some

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