Micro-circuit bridge and method

• US 3,334,205 A
• Filed: 06/23/1966
• Issued: 08/01/1967
• Est. Priority Date: 06/23/1966
• Status: Expired due to Term

• Current Assignee: Donald N. Griffin
• Original Assignee: Donald N. Griffin
• Inventors: Griffin, Donald N.
• Application Number:
  US04/559,913
• Time in Patent Office: 404 Days
• US Class Current: 337/198
• CPC Class Codes: F42B 3/124 characterised by the configuration or material of the bridge F42B3/13 takes precedence
• CPC Class Codes: F42B 3/195 Manufacture
• CPC Class Codes: Y10T 29/49099 Coating resistive material on a base
• CPC Class Codes: Y10T 29/49107 Fuse making
• CPC Class Codes: Y10T 29/49165 by forming conductive walled aperture in base

Claims

7. A BRIDGE CIRCUIT DEVICE, AN INSULATING CERAMIC BODY HAVING APERTURE MEANS FOR LEAD-IN WIRES, SAID CERAMIC BODY HAVING A SUBSTANTIALLY FLAT END FACE PROVIDED WITH IMPRESSED GROOVE MEANS, SAID GROOVE MEANS HAVING A NECKED-DOWN PORTION OF REDUCED PREDETERMINED CROSS SECTIONAL AREA, SAID NECK-DOWN PORTION OF THE GROOVE MEANS HAVING A CROSS SECTIONAL CONFIGURATION IN THE FORM OF A DOWNWARD TAPER PROVIDED BY RELATIVELY FLAT WALL SURFACES, METALLIZED CONDUCTIVE MEANS SUBSTANTIALLY FILLING AND BONDED TO THE GROOVE MEANS AND THE RELATIVELY FLAT WALL SURFACES OF SAID NECK-DOWN PORTION, SAID METALLIZED MEANS CONSTITUTING A CONDUCTIVE PATH IN SAID BRIDGE CIRCUIT WITH THE METALLIZED MEANS OF SAID NECK-DOWN PORTION OF THE GROOVE COMPRISING A MOCRO-CIRCUIT BRIDGE OF PREDETERMINED CROSS SECTIONAL AREA AND ELECTRICAL RESISTANCE, AND LEAD-IN WIRE MEANS EXTENDING THROUGH THE APERTURE MEANS OF SAID BODY TO PROVIDE ELECTRICAL CONNECTIONS TO SAID BRIDGE CIRCUIT AND SAID MICRO BRIDGE.