File:-i---i- (5189689100).jpg
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Summary
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| Description |
"cronichles from the lab" Optical microscope (Nikon eclipse ME600) image of a faulty <a href="http://en.wikipedia.org/wiki/Lift-off_(microtechnology)" rel="noreferrer nofollow">lift-off</a> of a thin gold film from a lithium niobate (crystal) surface. Gold should have been removed completely from the areas where it's wrinkled because, by <a href="http://en.wikipedia.org/wiki/Photolithography" rel="noreferrer nofollow">photolitography</a>, a layer of <a href="http://en.wikipedia.org/wiki/Photoresist" rel="noreferrer nofollow">photoresist</a> should have protected that area on the crystal surface. But the photoresist was clearly not enough. On the left, the <a href="http://en.wikipedia.org/wiki/Interdigital_transducer" rel="noreferrer nofollow">IDTs</a> which I wanted to fabricate can be seen. Immagine al microscopio ottico (Nikon eclipse ME600) del <a href="http://en.wikipedia.org/wiki/Lift-off_(microtechnology)" rel="noreferrer nofollow">lift-off</a> fallace di uno strato d'oro dalla superficie di niobato di litio (un cristallo). L'oro avrebbe dovuto essere rimosso da tutte le aree in cui è increspato poiché, nella tecnica di <a href="http://it.wikipedia.org/wiki/Litografia_(elettronica)" rel="noreferrer nofollow">litografia ottica</a>, uno strato di <a href="http://it.wikipedia.org/wiki/Photoresist" rel="noreferrer nofollow">photoresist</a> avrebbe dovuto proteggere quelle aree del cristallo. Ma il photoresist è stato chiaramente troppo poco! Sulla sinistra si possono vedere i <a href="http://en.wikipedia.org/wiki/Interdigital_transducer" rel="noreferrer nofollow">trasduttori</a> che stavo microfabbricando. |
| Date | |
| Source | Flickr |
| Author | Nicola Sap De Mitri |
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This image was originally posted to Flickr by n_sapiens at https://flickr.com/photos/27505428@N06/5189689100 (archive). It was reviewed on 4 December 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:03, 4 December 2018 | | 1,280 × 960 (1.6 MB) | Luisbrudna (talk | contribs) | Transferred from Flickr via #flickr2commons |
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