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US 6,034,589 AGranted
Multi-layer and multi-element monolithic surface mount fuse and method of making the same
AssigneeAEM, Inc.
InventorsJeffrey D. Montgomery, Xiangming Li, Daniel H. Chang, Kenneth M. Wallace, Kenneth X. Kuang
Life of this patent
Estimating the term…
Abstract
A surface mount fuse includes a plurality of substrate/arc suppressive layers, a plurality of fusible elements positioned between the substrate/arc suppressive layers and terminations connected to the ends of the fusible elements, such that the fusible elements are electrically connected in parallel. The surface mount fuse has greater amperage and voltage ratings than similarly sized conventional surface mount fuses. Additionally, the surface mount fuse has increased interrupt breaking capacity and superior mechanical properties.
Claims16
A surface mount fuse comprising:
- a plurality of arc suppressive layers;
- a plurality of fusible elements respectively positioned between said arc suppressive layers and each having end portions;
- and
- terminations connected to said end portions of said fusible elements, such that said fusible elements are electrically connected in parallel, wherein said arc suppressive layers include a lower arc suppressive layer, an upper arc suppressive layer and at least one intermediate arc supressive layer,
- said lower arc suppressive layer and said upper arc suppressive layer comprising a first material and said intermediate arc suppressive layer comprising a second material different than said first material.
2 more elements
A surface mount fuse comprising:
- a plurality of arc suppressive layers;
- a plurality of fusible elements respectively positioned between said arc suppressive layers and each having end portions;
- and
- terminations connected to said end portions of said fusible elements, such that said fusible elements are electrically connected in parallel,
- wherein said arc suppressive layers include a lower arc suppressive layer having sides, an upper arc suppressive layer having sides and at least one intermediate arc suppressive layer having sides, and
- wherein said lower arc suppressive layer has a lower surface and said upper arc suppressive layer has an upper surface,
- said terminations covering said sides of said upper arc suppressive layer, said sides of said lower arc suppressive layer, said sides of said intermediate arc suppressive layer, said end portions of said fusible elements, a portion of said upper surface of said upper arc suppressive layer and a portion of said lower surface of said lower arc suppressive layer.
4 more elements
A surface mount fuse comprising:
- a plurality of arc suppressive layers;
- a plurality of fusible elements respectively positioned between said arc suppressive layers and each having end portions;
- and
- terminations connected to said end portions of said fusible elements, such that said fusible elements are electrically connected in parallel,
- wherein said arc suppressive layers each include a lower arc suppressive layer having sides, an upper arc suppressive layer having sides and at least one intermediate arc suppressive layer having sides, and
- wherein said terminations comprise:
- an inner termination layer directly connected to said sides of said lower arc suppressive layer, said sides of said upper arc suppressive layer, said sides of said at least one intermediate arc suppressive layer and said end portions of said fusible elements;
- an intermediate termination layer connected to said inner termination layer;
- and
- an outer termination layer connected to said intermediate termination layer.
7 more elements
A surface mount fuse formed by a process comprising:
- depositing a lower fusible element on a lower arc suppressive layer;
- depositing an intermediate arc suppressive layer on said lower fusible element;
- depositing an intermediate fusible element on said intermediate arc suppressive layer
- repeating said depositing of said intermediate arc suppressive layer and said intermediate fusible element to form a laminated structure;
- depositing an upper arc suppressive layer on said intermediate fusible element, wherein said lower arc suppressive layer and said upper arc suppressive layer comprise a first material and said intermediate arc suppressive layer comprise a second material different than said first material;
- and
- forming terminations on ends of said laminated structure.
4 more elements
Dependencies are inferred from the claim text.