Patent ID: 11881337
Assignee: LITTELFUSE ELECTRONICS (SHANGHAI) CO., LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 14:
15. A method of forming a PPTC assembly, comprising:
providing a polymer matrix, the polymer matrix comprising a first polymer;
mixing a first powder, comprising a second polymer, and a second powder, comprising a conductive filler, in the polymer matrix, to form a PPTC material;
performing hot melt extrusion process on the PPTC material;
extruding the PPTC material to form a PPTC film;
performing a foil lamination process on the PPTC film to form a device sheet; and
singulating the device sheet to form a PPTC device;
wherein the first polymer comprises epoxy, and wherein the second polymer comprises epoxy.