21
Barclay J Tullis, John S Bailey, D R Gunawardena, Ulrich Kaempf: Apparatus for automated cassette handling. Hewlett Packard Company, Jeffery B Fromm, November 10, 1987: US04705444 (38 worldwide citation)

An automated cassette handler for transporting a cassette containing integrated circuit wafers between first and second elevators in a standardized mechanical interface (SMIF) system for integrated circuit processing. The handler is adapted to grip and transport the cassette while positively pushing ...


22
Armand P Neukermans, Kuo L Chiang, Frederic N Schwettmann, Donald R Bradbury: Silicon carbide film for X-ray masks and vacuum windows. Hewlett Packard Company, Jeffery B Fromm, August 26, 1986: US04608326 (38 worldwide citation)

A layered structure for use in an X-ray membrane (pellicle) mask or a vacuum window is provided in which an intermediate amorphous layer such as silicon dioxide is grown on a silicon substrate which provides a stress relief medium and surface properties which enhance and improve subsequent process l ...


23
Bradfred W Culp: Tape positioning using reverse boundary capture: tape drive system and method. Hewlett Packard Company, Guy J Kelley, Jeffery B Fromm, April 11, 1989: US04821129 (33 worldwide citation)

A tape driven system includes means for capturing data block boundaries while moving in reverse, as well as in the forward direction. Thus, block boundaries can be captured following each reversal of tape direction to cancel prior errors induced during tape reversals provided these errors are within ...


24
Frederick A Ware: Conditional carry techniques for digital processors. Hewlett Packard Company, Jeffery B Fromm, November 18, 1986: US04623982 (31 worldwide citation)

A relatively small set of cells is shown for constructing a conditional carry adder for two N-digit operands. The structure and organization of the cells is adaptable for constructing any length adder with both high absolute performance and low circuit complexity in LSI by either bipolar or MOS tech ...


25
Terry A Berger: Method of operating a self cleaning electrochemical detector. Hewlett Packard Company, Jeffery B Fromm, January 28, 1986: US04566949 (30 worldwide citation)

An improved electrochemical cell and detector which is especially suited for analysis of rapidly changing flowing streams such as found in high performance liquid chromatography is disclosed. A uniquely designed jet made of microbore drawn capillary tubing permits the construction of a cell for very ...


26
David V James: Hybrid hardware/software method and apparatus for virtual memory address translation using primary and secondary translation buffers. Hewlett Packard Company, Jeffery B Fromm, Douglas L Weller, September 27, 1988: US04774653 (29 worldwide citation)

A hybrid hardware/software implementation of a translation look-aside buffer (TLB) is provided which improves the efficiency of address translation in a computing system utilizing a virtually addressed memory. To access a physical memory location a processor first attempts to fetch a virtual-to-phys ...


27
Attilio Melera, Armand Neukermans: Apparatus for analyzing liquid samples with a mass spectrometer. Hewlett Packard Company, Jeffery B Fromm, Ronald E Grubman, September 6, 1983: US04403147 (28 worldwide citation)

Apparatus is provided for analyzing liquid samples by a mass spectrometer. A stream of liquid droplets of the sample is formed by a probe which expels the droplets into a desolvation chamber. The droplets are evaporated in the desolvation chamber and the evaporated materials injected into the source ...


28
Gregory L Ranson, John W Bockhaus, Gregg B Lesartre: Flexible circuitry and method for detecting signal patterns on a bus. Hewlett Packard Company, Jeffery B Fromm, Guy J Kelley, Augustus W Winfield, March 9, 1999: US05880671 (27 worldwide citation)

Circuitry for detecting signal patterns on a multi-bit bus. First comparison circuitry monitors a first portion of the bus comparing it with a first expected signal pattern, generating a first comparison output. Second comparison circuitry monitors a second portion of the bus comparing it with a sec ...


29
Kraig A Proehl: Tape drive system with tape position capture circuitry. Hewlett Packard Company, Jeffery B Fromm, June 21, 1988: US04752846 (24 worldwide citation)

A tape drive system employs position capture circuitry to facilitate accurate positioning of the tape media. The position capture circuitry includes an input polling state machine (101) to ensure each detection results in exactly one position value transfer. A timing section (103) synchronizes the p ...


30
William J Lloyd: Inversely processed resistance heater. Hewlett Packard Company, Jeffery B Fromm, October 14, 1986: US04616408 (21 worldwide citation)

A unique inverse processed film resistance heater structure is disclosed. A conventional passivation wear layer is deposited directly on a first substrate, followed by the deposition and patterning of resistive and conductive layers, and covered by an isolation layer and a thick support layer. The t ...