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US 8,158,913 B2Granted
Multidirectional fuse susceptor
AssigneeGraphic Packaging International, Inc.
InventorsNeilson Zeng, Laurence M. C. Lai, Scott W. Middleton
Life of this patent
Estimating the term…
Abstract
A susceptor structure includes a layer of conductive material supported on a non-conductive substrate. The conductive layer includes a resonant loop defined by a plurality of microwave energy transparent segments and, optionally, a microwave energy transparent element within the resonant loop.
Claims58
A susceptor structure comprising:
- a plurality of microwave energy transparent segments spaced apart within a layer of microwave energy interactive material, the layer of microwave energy interactive material comprising a susceptor that is operative for converting microwave energy to thermal energy, wherein the plurality of microwave energy transparent segments define interconnected resonant loops having a peripheral length configured to induce resonance of microwave energy along the interconnected resonant loops within the layer of microwave energy interactive material;
- and
- a substantially cross-shaped microwave energy transparent element disposed within each loop of the interconnected resonant loops,
- wherein the plurality of microwave energy transparent segments that define the interconnected resonant loops and the substantially cross-shaped microwave energy transparent element disposed within each loop of the interconnected resonant loops are circumscribed by the microwave energy interactive material.
1 more element
A susceptor structure comprising:
- a plurality of microwave energy transparent segments within a layer of microwave energy interactive material, the layer of microwave energy interactive material comprising a susceptor that is operative for converting microwave energy to thermal energy, wherein the plurality of microwave energy transparent segments are arranged as a pattern of interconnected hexagonal loops;
- and
- a substantially cross-shaped microwave energy transparent element substantially centered within each hexagonal loop of the interconnected hexagonal loops.
A susceptor structure comprising:
- an electrically continuous layer of conductive material supported on a non-conductive substrate, the conductive material comprising a susceptor that is operative for converting microwave energy to thermal energy, wherein
- the susceptor structure includes a repeating pattern of microwave energy transparent areas within the layer of conductive material, the microwave energy transparent areas being circumscribed by the conductive material,
- the repeating pattern includes a plurality of cross-shaped microwave energy transparent elements and a plurality of microwave energy transparent, segmented hexagonal loops, each cross-shaped microwave energy transparent element being disposed within a respective one of the segmented hexagonal loops, and
- at least some of the segmented hexagonal loops have a peripheral length configured to promote resonance of microwave energy across the susceptor structure.
1 more element
A susceptor structure comprising:
- a susceptor supported on a non-conductive substrate, the susceptor being operative for converting microwave energy to thermal energy, wherein the susceptor circumscribes both
- a plurality of microwave energy transparent areas that define interconnected resonant loops, each loop of the interconnected resonant loops having a peripheral length configured to induce resonance of microwave energy along the interconnected resonant loops within the susceptor, and
- a pair of orthogonally overlapping, substantially rectangular microwave energy transparent segments within each loop of the interconnected resonant loops.
A susceptor structure comprising:
- a layer of conductive material supported on a non-conductive substrate, the layer of conductive material circumscribing a plurality of microwave energy transparent areas that define a plurality of interconnected resonant loops and a plurality of substantially cross-shaped elements, the substantially cross-shaped elements each being disposed within a respective one of the interconnected resonant loops,
- wherein
- the plurality of microwave energy transparent areas that define the interconnected resonant loops include side areas and corner areas, the corner areas having a substantially tri-star shape,
- the layer of conductive material comprises a susceptor that is operative for converting microwave energy to thermal energy, and
- the interconnected resonant loops have a peripheral length configured to induce resonance along the interconnected resonant loops.
2 more elements
A susceptor structure comprising:
- a layer of conductive material supported on a non-conductive substrate, the conductive layer including
- a plurality of spaced apart microwave energy transparent segments that define a pattern of interconnected hexagonal loops, and
- a substantially centrally located microwave energy transparent element within at least one of the loops.
Dependencies are inferred from the claim text.