Hearted Youtube comments on Asianometry (@Asianometry) channel.
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Love the video! I can’t speak on semiconductor wafer bonding, but in the MEMS field, wafer to wafer bonding is commonly used to package MEMS components in hermetic environments. The EVG tools that you mention can apply force, temperature, and vacuum, the last one sucks any air out of the MEMS package. This is really important for high Q factor MEMS resonant devices, where any damping, including any air molecules, can severely degrade performance.
One subset of thermocompression bonding is eutectic bonding, which is super cool because if you heat up two different element thin films together, the alloy you create will have a lower melting point than each of the individual elements themselves. This can let you bond wafers together with really low temperatures. Indium-tin has a melting point of just over 100C, but most others are higher. Gold-tin is below 300C. When you’re choosing materials for your bonding, it all depends on what you’re designing. In-Sn has a low Young’s modulus, which might be undesirable. But Au-Sn’s eutectic temperature might be too high, and your devices can’t take that much heat. So you need to pick and choose materials to suit your needs
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Dear Asianometry, Thank you once again for a well researched and delivered piece. As a working artist I have "options" on how I survive in a world.
I can paint a large number of small paintings on simple subjects that are moderately demanding technically and artistically, with simplistic content, and they sell well. Small paintings always sell better than larger works, but they are moderately interesting to me as an artist to create. These tend to be low priced and moderate volume.
Or I can create a body of work that meets the interests of the largest number of buyers, relatively low technical and artistic requirements, and these can be larger works, or small, they sell very well, but the content is derivative, repetitive, and even less interesting to create. These tend to be moderate volume, but better priced
Or I can create work that interests me as an artist, this work is demanding, both technically and artistically, with a high potential for failure and a low potential for sales. These tend to be very high priced and low volume and tend to be a specific type of collector or buyer.
Or I can have a Full Time Job, while this will allow me to paint whatever I wish artistically, and if I have sales all the better, it demands almost all my time, and leaves little time to work as an artist.
Or I can marry well ( or have a trust fund ), this means I can paint full time and define my content outside of any commercial requirements, it allows me to paint full time regardless of sales.This is the best of all possible worlds, but if no one is interested in my work, no commercial gallery will take me on, as they prefer artists with a known track records of shows and sales.
TV, Music and Movies have a similar problem. While content defines the viewership, and earnings, the medium, viewership and the price also defines the content.
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