Invention Grant
- Patent Title: Filter package structure and method for preparing same
-
Application No.: US18472244Application Date: 2023-09-22
-
Publication No.: US11996379B1Publication Date: 2024-05-28
- Inventor: Guoqiang Li
- Applicant: GUANGZHOU AIFO LIGHT COMMUNICATION TECHNOLOGY COMPANY LTD.
- Applicant Address: CN Guangzhou
- Assignee: GUANGZHOU AIFO LIGHT COMMUNICATION TECHNOLOGY COMPANY LTD.
- Current Assignee: GUANGZHOU AIFO LIGHT COMMUNICATION TECHNOLOGY COMPANY LTD.
- Current Assignee Address: CN Guangzhou
- Priority: CN 2310581348.3 2023.05.23
- Main IPC: H03H9/64
- IPC: H03H9/64 ; H01L23/00 ; H01L23/31

Abstract:
A filter package structure includes: a die substrate, a substrate, a solder resist layer, a package layer, and a conductive structure disposed; wherein the solder resist layer is disposed on the substrate, and a plurality of channels are formed in the solder resist layer, each of the channels being provided with a solder; the conductive structure includes a seal wall and a support electrode, the seal wall and one terminal of the support electrode being connected to the substrate via the solder; and the die substrate is provided with a filter, wherein the seal wall is disposed around a periphery of the filter, the die substrate, the substrate and the seal wall enclose to define an enclosed chamber, the support electrode is disposed in the enclosed chamber, and the package layer is disposed on a periphery, far away from the enclosed chamber, of the die substrate.
Information query