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azonenberg:unknown:att_sim [2014/03/23 19:08] azonenberg |
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| - | {{tag> | ||
| - | SIM card from an old AT&T cell phone. | ||
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| - | ====== Package ====== | ||
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| - | ====== Die carrier ====== | ||
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| - | {{: | ||
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| - | ====== Die ====== | ||
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| - | Size is approximately 2000 x 1340 μm (2.68 mm< | ||
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| - | ===== Top layer ===== | ||
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| - | {{: | ||
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| - | The mesh appears pretty weak: one serpentine line zigzagging back and forth with ~850 nm pitch (probably 400-500 nm lines, consistent with the ~180 nm technology node). Since it appears there' | ||
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| - | ===== Next layer down ===== | ||
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| - | HF etched until mesh removal, but not imaged yet. | ||