Patents
US 12772889 B2: Tunable filter having a 3-D inductor and a cavity embedded die which includes a varactor and a capacitor
- Granted
- 2026-10-20
- Filed
- 2023-01-12 application 18153663
- Type
- Utility · 28 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Disclosed is a cavity embedded tunable filter integrated with high-quality and high capacitance tuning ratio varactor, metal-insulator-metal (MIM) capacitors, and 3D inductors with through alumina ceramic substrate vias. The varactor and the MIM capacitor die is embedded into a blind alumina cavity (BAC) of an alumina ceramic substrate.
Source: PTBLXML, file of 2026-10-20 (ipgb20261020.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| QUALCOMM INCORPORATED 40,593 patents | US company or organization | San Diego, CA | PTBLXML, file of 2026-10-20 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Je-Hsiung Lan | San Diego, CA | 92 | PTBLXML, file of 2026-10-20 | |
| Jonghae Kim | San Diego, CA | 248 | PTBLXML, file of 2026-10-20 | |
| Ranadeep Dutta | Del Mar, CA | 37 | PTBLXML, file of 2026-10-20 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H10W | Generic packages, interconnections, connectors or other constructional details of devices covered by class h10 | H10W70/682 | PTBLXML, file of 2026-10-20 |
| H03H | Impedance networks, e.g. resonant circuits; resonators | H03H7/0153 | PTBLXML, file of 2026-10-20 |
| H10D | Inorganic electric semiconductor devices | H10D84/201 | PTBLXML, file of 2026-10-20 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.