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azonenberg:ibm:thinkpad_fingerprint [2013/12/27 23:58] azonenberg |
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- | Fingerprint scanner from an older Thinkpad. Filed under IBM since there was no vendor label on the die. | ||
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- | ====== Board photos ====== | ||
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- | ====== Package photos ====== | ||
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- | ====== Die photos ====== | ||
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- | ===== Sensor array ===== | ||
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- | Overview of sensor array (brightfield) | ||
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- | Darkfield version of same image | ||
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- | Closeup of sensor array (brightfield) | ||
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- | Darkfield version of same image pair | ||
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- | ===== Background ===== | ||
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- | Above and below the sensor strip is a large metal filler plate, presumably with control circuitry underneath it. The fill is not solid and has several cutouts in it. | ||
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