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Month of January 2002 - Page Number 8

Showing 71 - 80 of 365 from January 2002
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  1. 71.
    Wafer Bonding has become a weU known and pre- ferred process for producing Silicon on Insulator (SOI) materials used in various new device design applications. The process for manufacture of SOI Wafers is shown in Figure 1. In the old process the thickness of the base wafer is known and the bonded wafer is ground to...
    IPCOM000006712D | Original Publication Date: 1992-Dec-01
  2. 72.
    In order to achieve a suitable method of Sh4T robotic assembly with a no-clean low viscosity flux, a simulta- neous placement/dispense method was developed The invention utilizes a flux dispenser which can be adapted to a robotic vacuum placement end effecter (picture attached).
    IPCOM000006711D | Original Publication Date: 1992-Dec-01
  3. 73.
    Selective call receivers, including pagers, generally comprise a receiver and decoder board, each having a plurality of electrical components placed primarily on one side. The receiver and decoder board typically require RF shielding to protect the electrical components from RF interference. This RF shielding is...
    IPCOM000006710D | Original Publication Date: 1992-Dec-01
  4. 74.
    Direct Digital Synthesis (DDS) systems can be source systems are an image rejection mixer and a lii- expanded to provide integrated multiple signal sources ear power amplifier using a phase power combination. with independent phase offset relative to a given refer- The image rejection (IR) in the mixer example is...
    IPCOM000006709D | Original Publication Date: 1992-Dec-01
  5. 75.
    The described method allows to measure, simply and inexpensively, minute amounts of liquids which can not be measured by conventional laboratory instruments. The method reduces the three dimensional volume meas- urement problem into a two dimensional measurement, so a common vision system can be utilized. The method...
    IPCOM000006708D | Original Publication Date: 1992-Dec-01
  6. 76.
    Under adverse lighting conditions, a pager's user input controls may be difficult to locate, resulting in the user grappling at the device to find the desired controls. A need exists for a pager having ilhuninated controls with minimal current drain regardless of available ambi- ent light.
    IPCOM000006707D | Original Publication Date: 1992-Dec-01
  7. 77.
    Information service systems can be defmed as pag- ing systems in which many of the paging receivers have access to one or more information data streams which are transmitted at predetermined time intervals. An exam- ple currently being practiced is the periodic transmis- sion of up to date sports scores. Each pager in...
    IPCOM000006706D | Original Publication Date: 1992-Dec-01
  8. 78.
    For various systems it is necessary to measure the delay that signals will experience as they traverse vari- ous communications paths. The path may involve tele- phone twisted pairs, radio frequency transmission and reception, splitters, nonanalog transmission media (i.e. digitized analog facilities), etc. The delay...
    IPCOM000006705D | Original Publication Date: 1992-Dec-01
  9. 79.
    IPCOM000006702D | 2002-Jan-24
  10. 80.
    IPCOM000006701D | 2002-Jan-24