US 2016/0035477 A1Published application

Thin-film coil component and charging apparatus and method for manufacturing the component

AssigneeJ Touch Corporation

InventorsYU-CHOU YEH, YU HSIN WANG, CHEN-CHI WU, TSUNG-HER YEH, CHIH-MING HU, TING-CHING LIN, CHIU CHENG TSUI, BO RUEI CHENG, CHUN TING YEH, YU JU WANG

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Abstract

Disclosure is to a thin-film coil component, and a charging apparatus. The thin-film coil is composed of spiral thin-film winding. Within the spiral windings, a gap exists between adjacent spiral structure, A first thin-film winding forms a first connection port for connecting external circuit at an external end, and has a first winding terminal at an internal end. An induced electric field can be formed by supplying electric current via the connection port. Further, a thin-film coil component is made when two thin-film coils with the same spiral direction are fabricated on two opposite surfaces of a substrate. An adhesive layer mixed with Ferromagnetic material is used to combine coils and the substrate. An induced electric field is also created when powering this thin-film coil component. Assembly of one or more thin-film coil components can make the charging apparatus used to electrically charge an electronic device which includes a device-end thin-film coil component.

Claims17

Dependent claims

A thin-film coil component, comprising:

a substrate;
a first thin-film coil, formed on a first surface of the substrate, composed of a spiral first thin-film winding, wherein the adjacent spiral structures of the first thin-film winding have a gap;
outer portion of the first thin-film winding has a first connection port, and the inner side of the winding has a first winding terminal;
a second thin-film coil, formed on a second surface of the substrate, composed of a spiral second thin-film winding, wherein the adjacent spiral structures of the second thin-film winding are at a distance which is the same or different from the gap;
outer portion of the second thin-film winding has a second connection port, and the inner side of the winding has a second winding terminal;
and
electrically-connecting means, electrically connecting the first thin-film coil and the second thin-film coil;
wherein, the first thin-film coil and the second thin-film coil are respectively disposed on two surfaces of the substrate, a spiral direction of the first thin-film winding is the same as the spiral direction of the second thin-film winding;
and current flowing through the first connection port and the second connection port forms an induced electric field.

6 more elements

A charging apparatus, used to electrically charge an electrical apparatus which is disposed with a device-end thin-film coil component, comprising:

one or more thin-film coil components, each thin-film coil component comprising:
a substrate;
a first thin-film coil, formed on a first surface of the substrate, composed of a spiral first thin-film winding, wherein the adjacent spiral structures of the first thin-film winding have a gap;
the outer portion of the first thin-film winding has a first connection port, and the inner side of the winding has a first winding terminal;
a second thin-film coil, formed on a second surface of the substrate, composed of a spiral second thin-film winding, wherein the adjacent spiral structures of the second thin-film winding are at a distance which is the same or different from the gap;
the outer portion of the second thin-film winding has a second connection port, and the inner side of the winding has a second winding terminal;
and
an electrically-connecting means, electrically connecting the first thin-film coil and the second thin-film coil;
a power management unit, electrically connecting the one or more thin-film coil components;
wherein, in one thin-film coil component, the first thin-film coil and the second thin-film coil are respectively disposed on two surfaces of the substrate, a spiral direction of the first thin-film winding is the same as the spiral direction of the second thin-film winding;
and
current flowing through the charging apparatus forms an induced electric field in a consistent direction.

9 more elements

Dependencies are inferred from the claim text.