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Showing 1 - 10 of 365 from October 2001
Browse Prior Art Database
  1. 1.
    Organic coatings may be removed from their substrates by treating the coated substrate with a gelled organic solvent. For example, paint may be stripped from metal, wood, etc. by the process of contacting the paint with a gelled composition formed from turpentine or other organic solvent in combination with a...
    IPCOM000005738D | 2001-Oct-31
  2. 2.
    In acommunications system which uses distributed transceivers to communicate from phone line to por- table receivers it is essential to insure that only the active portable can steer the system. This is accomplished by having all the transmitters in the other inactive portables inhibited. This article describes avery...
    IPCOM000005737D | Original Publication Date: 1988-Oct-01
  3. 3.
    The effectiveness of a washing machine to cleanly wash clothes is determined by many factors, most of them relating to the size of the wash load or the amount of clothes washed at one time. Some attempts have been made in the past to allow the load size lo be determined by the user by incorporating scales in the lids...
    IPCOM000005736D | Original Publication Date: 1988-Oct-01
  4. 4.
    With existing lot boxes that open on the top, the chance of particles being put on the wafers is great. Let's follow the steps on inspecting a four inch wafer. I choose the four inch wafer because they are easy to lift out and put back into the conventional boxes with one hand. Also, similar problems exist with...
    IPCOM000005735D | Original Publication Date: 1988-Oct-01
  5. 5.
    With existing lot boxes that open on the top, the chance of particles being put on the wafers is great. Let's follow the steps on inspecting a four inch wafer. I choose the four inch wafer because they are easy to lift out and put back into the conventional boxes with one hand. Also, similar problems exist with...
    IPCOM000005734D | Original Publication Date: 1988-Oct-01
  6. 6.
    A new opto-coupler has been developed (FIG. 1) which offers improved performance over prior art opto- coupler configurations shown in FIG. 2-3.
    IPCOM000005733D | Original Publication Date: 1988-Oct-01
  7. 7.
    In many cases integrated circuit devices require a pair of resistors, matched as closely as possible in value to meet the requirements of the circuit. This has frequently been attempted using doped polysilicon which is later photolithographically patterned to form the resistor structures of the appropriate physical...
    IPCOM000005732D | Original Publication Date: 1988-Oct-01
  8. 8.
    Speed performance in a bipolar device can be improved by optimization of extrinsic device parameters. These include the reduction of the collector to substrate capacitance (Ccs), the collector to base capacitance (Ccb), the extrinsic base resistance (Rb), and collector resistance (Rc). Various device structures have...
    IPCOM000005731D | Original Publication Date: 1988-Oct-01
  9. 9.
    Continued reduction of feature size into the submicron regime in IC devices has caused severe difficulty in multilayered metallization. For example, electrical contact to the substrate can no longer be simply done by direct deposition of a metal film such as Al into the contact holes. This is due to the fact that...
    IPCOM000005730D | Original Publication Date: 1988-Oct-01
  10. 10.
    A convenient, nondestructive method forthe measurement of the thickness of oxide on poly silicon (poly- ox) is not commonly available in semiconductor manufacturing environment. Ellipsometry is used routinely to measure the thickness of oxide grown on single crystal silicon, but not of poly-ox. In order to determine...
    IPCOM000005729D | Original Publication Date: 1988-Oct-01