Number | Name | Date | Kind |
---|---|---|---|
2594633 | Freimann et al. | Apr 1952 | |
2610858 | Kenney | Sep 1952 | |
3476265 | Powers | Nov 1969 | |
3923156 | Wallestad | Dec 1975 | |
3926323 | Frank et al. | Dec 1975 | |
4311427 | Coad et al. | Jan 1982 |
Entry |
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Drexinger et al., Western Electric Technical Digest, "Transfer of Semiconductor Wafers Between Holders", Jan. 1979, pp. 3 and 4. |
W. E. Spangler et al., Bell Telephone Laboratories, Inc., Photographs of Water Selecting Tool. |