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US 8,552,829 B2Granted
Transformer device and method for manufacturing a transformer device
AssigneeInfineon Technologies Austria AG
InventorsFriedrich Kroener, Carsten von Koblinski
Life of this patent
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Abstract
A transformer device includes a glass substrate having a first side and a second side arranged opposite the first side. A first recess is formed at the first side of the glass substrate. A second recess is formed at the second side of the glass substrate. The first and second recesses are arranged opposite to each other. A first coil is arranged in the first recess and a second coil is arranged in the second recess.
Claims4
A transformer device, comprising:
- a glass substrate comprising a first portion with a first thickness and a second portion with a second thickness less than the first thickness, the first portion laterally surrounding the second portion, the second portion having a first side and a second side arranged opposite the first side;
- a planar primary coil arranged on the first side of the second portion of the glass substrate;
- a planar secondary coil arranged on the second side of the second portion of the glass substrate opposite to the primary coil, the primary coil and the secondary coil being electrically insulated from each other by the second portion of the glass substrate.
Dependencies are inferred from the claim text.