Method of manufacturing a low sheet resistance article

Patent 5037670 Issued on August 6, 1991. Estimated Expiration Date:

November 1, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3794518

Screenable contact structure and method for semiconductor devices
Patent #: 4219448
Issued on: 08/26/1980
Inventor: Ross

Method for activating metal particles Patent #: 4477296
Issued on: 10/16/1984
Inventor: Nair

Inventors

Assignee

CTS Corporation

Application

No. 430227 filed on 11/01/1989

US Classes:

427/102, Nonuniform coating427/123, Metal coating427/126.2, Glass or ceramic base or coating427/191, Metal particles427/192, Aluminum, copper, or zinc particles427/193, Vitrifiable particles427/199, Silicon compound, metal, or metallic compound containing particles applied427/201, Plural particulate materials applied427/279, Vitreous coating427/376.3Metal-containing coating (e.g., cermet, etc.)

Examiners

Primary: Pianalto, Bernard

Attorney, Agent or Firm

Watkins; Albert W.

International Class

B05D 005/12

Abstract

Fine copper and nickel powders are well mixed in a preselected ratio with bonding agents and carriers as appropriate. The composition then may be patterned upon a substrate by screen printing and subsequent firing in a nitrogen atmosphere to produce a low sheet resistance, low TCR electrical resistor. Various alloy powders, inert materials, and glass frits may be used depending upon the desired characteristics.