Silicon Pr0n

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{{tag>collection_az vendor_ibm type_sensor type_sensor/image type_sensor/image/fingerprint year_unknown foundry_unknown tech_unknown}}

Fingerprint scanner from an older Thinkpad. Filed under IBM since there was no vendor label on the die.

====== Board photos ======

{{:azonenberg:ibm:fingerprint:s7302838.jpg?600|}}

{{:azonenberg:ibm:fingerprint:s7302839.jpg?600|}}

====== Package photos ======

{{:azonenberg:ibm:fingerprint:s7302840.jpg?600|}}

====== Die photos ======

===== Sensor array =====

Overview of sensor array (brightfield)

{{:azonenberg:ibm:fingerprint:fingerprint_001_bf_neo20x_annotated.jpg?600|}}

Darkfield version of same image

{{:azonenberg:ibm:fingerprint:fingerprint_002_df_neo20x_annotated.jpg?600|}}

Closeup of sensor array (brightfield)

{{:azonenberg:ibm:fingerprint:fingerprint_003_bf_neo40x_annotated.jpg?600|}}

{{:azonenberg:ibm:fingerprint:fingerprint_006_bf_neo40x_annotated.jpg?600|}}

Darkfield version of same image pair

{{:azonenberg:ibm:fingerprint:fingerprint_004_df_neo40x_annotated.jpg?600|}}

{{:azonenberg:ibm:fingerprint:fingerprint_005_df_neo40x_annotated.jpg?600|}}


===== Background =====

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.

{{:azonenberg:ibm:fingerprint:fingerprint_007_bf_neo40x_annotated.jpg?600|}}

{{:azonenberg:ibm:fingerprint:fingerprint_008_bf_neo5x_annotated.jpg?600|}}

{{:azonenberg:ibm:fingerprint:fingerprint_009_bf_neo10x_annotated.jpg?600|}}

{{:azonenberg:ibm:fingerprint:fingerprint_010_bf_neo40x_annotated.jpg?600|}}