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US 4,873,506 AGranted
Metallo-organic film fractional ampere fuses and method of making
AssigneeCooper Industries, Inc.
InventorLeon Gurevich
Life of this patent
Estimating the term…
Abstract
A fractional amp fuse (10) with a thin film fusible element (16) connecting thick film pads (14) supported by a polished insulating substrate (12). The fuse subassembly has leads (24) attached by resistance welding and is encapsulated in a ceramic insulating material (18). The entire fuse is enclosed in a plastic-like material (20).
Claims14
A method of making a fuse element subassembly comprising the steps of:
- providing a support means of insulating material;
- providing said support means with metallized areas so that said support means has a least two separate metallized areas;
- and
- printing a metallo-organic ink on said support means and firing to provide a thin film fusible element on said support means to electrically connect said metallized areas.
1 more element
A method of making a fuse element subassembly as in claim I wherein said support means is glazed ceramic.
A fuse element subassembly comprising:
- a support means of insulating material;
- at least two metallized areas on said support means;
- and
- a fired metallo-organic thin film ink fusible element on said support means electrically connecting said metallized areas.
1 more element
Dependencies are inferred from the claim text.