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Gerard J Koerckel

Deceased

from Andover, MA

Also known as:
  • Gerald J Koerckel
  • Gerard C
  • Gerard L
Phone and address:
19 Hidden Field Rd, Andover, MA 01810
978 470-2621

Gerard Koerckel Phones & Addresses

  • 19 Hidden Field Rd, Andover, MA 01810 • 978 470-2621
  • 8 Abbot Bridge Dr, Andover, MA 01810 • 978 475-9267
  • New Port Richey, FL
  • Wellesley Hills, MA

Us Patents

  • Fabricating An Rc Network Utilizing Alpha Tantalum

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  • US Patent:
    42513260, Feb 17, 1981
  • Filed:
    Dec 28, 1978
  • Appl. No.:
    5/974162
  • Inventors:
    Frank R. Arcidiacono - North Andover MA
    Gerard J. Koerckel - Andover MA
  • Assignee:
    Western Electric Company, Inc. - New York NY
  • International Classification:
    C25D 1102
    C25D 1118
  • US Classification:
    204 15
  • Abstract:
    Fabricating thin film RC networks (10) includes forming alpha tantalum capacitor base electrodes (14be) on a substrate (12), while simultaneously forming alpha tantalum anodization bus bars (14p and 14s) on the substrate. A portion of each base electrode (14be) then is anodized to form a capacitor dielectric (20) in a single anodizing step. A tantalum nitride resistor film (24) and electrically conductive films (26 and 28) then are deposited on the resultant assembly. Next, portions of the electrically conductive films are removed to define portions of capacitor counterelectrodes (22), to expose sections of the tantalum nitride resistor film (24) destined for use as resistors (24r), and to define conductor networks (30). Portions of the tantalum nitride resistor film (24) then are removed to define capacitor counterelectrode portions (24ce) and the resistors (24r), while simultaneously removing the anodization bus bars (14p and 14s). The resultant networks (10) then are thermally stabilized.
  • Alpha Tantalum Thin Film Circuit Device

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  • US Patent:
    44108672, Oct 18, 1983
  • Filed:
    Oct 17, 1980
  • Appl. No.:
    6/197878
  • Inventors:
    Frank R. Arcidiacono - North Andover MA
    Gerard J. Koerckel - Andover MA
  • Assignee:
    Western Electric Company, Inc. - New York NY
  • International Classification:
    H03H 102
    H03H 706
  • US Classification:
    333172
  • Abstract:
    Fabricating thin film RC networks (10) includes forming alpha tantalum capacitor base electrodes (14be) on a substrate (12), while simultaneously forming alpha tantalum anodization bus bars (14p and 14s) on the substrate. A portion of each base electrode (14be) then is anodized to form a capacitor dielectric (20) in a single anodizing step. A tantalum nitride resistor film (24) and electrically conductive films (26 and 28) then are deposited on the resultant assembly. Next, portions of the electrically conductive films are removed to define portions of capacitor counterelectrodes (22), to expose sections of the tantalum nitride resistor film (24) destined for use as resistors (24r). and to define conductor networks (30). Portions of the tantalum nitride resistor film (24) then are removed to define capacitor counterelectrode portions (24ce) and the resistors (24r), while simultaneously removing the anodization bus bars (14p and 14s).
Name / Title
Company / Classification
Phones & Addresses
Gerard Koerckel
Treasurer
DUPONT ENGINEERING CORPORATION
286 E Main St, Avon, MA 02322
8 Abbot Birgde Dr, Andover, MA 01810

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