Patent ID: 11943845
Assignee: WATLOW ELECTRIC MANUFACTURING COMPANY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  B | IPC B  C  H

Claim 0:
1. A heater comprising:
a ceramic substrate;
a heating layer, wherein the heating layer is bonded to the ceramic substrate via transient liquid phase bonding;
a routing layer, wherein the routing layer extends radially between a central portion of the ceramic substrate and an outer portion of the ceramic substrate, and wherein the routing layer is disposed within the ceramic substrate; a plurality of first conductive vias connecting the heating layer to the routing layer; and
a plurality of second conductive vias connecting the routing layer to at least one terminal wire, the terminal wire being disposed proximate the central portion of the ceramic substrate,
wherein the routing layer is bonded to the ceramic substrate via transient liquid phase bonding.