Invention Application
- Patent Title: Carrier with Downsized Through-Via
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Application No.: US17600943Application Date: 2020-03-19
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Publication No.: US20220141954A1Publication Date: 2022-05-05
- Inventor: Michael Schumann
- Applicant: OSRAM Opto Semiconductors GmbH
- Applicant Address: DE Regensburg
- Assignee: OSRAM Opto Semiconductors GmbH
- Current Assignee: OSRAM Opto Semiconductors GmbH
- Current Assignee Address: DE Regensburg
- Priority: DE102019108870.4 20190404
- International Application: PCT/EP2020/057673 WO 20200319
- Main IPC: H05K1/11
- IPC: H05K1/11 ; H01L25/075 ; H01L33/62 ; H05K3/40 ; H05K3/10

Abstract:
In an embodiment a carrier includes a base substrate, at least one insulating layer, at least one inner wiring layer, at least one outer wiring layer and at least one through-via in the insulating layer extending through the insulating layer, wherein the base substrate and the insulating layer are formed from different materials, wherein the base substrate is formed for mechanically stabilizing the carrier and supports the insulating layer, wherein the inner wiring layer is arranged in a vertical direction at least in places between the base substrate and the insulating layer, wherein the outer wiring layer is spatially separated from the inner wiring layer at least in places by the insulating layer, and wherein the through-via electrically conductively connects the inner wiring layer to the outer wiring layer and has a lateral cross-section having a maximum lateral extent of at most 100 μm.
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