Patent · US Active

Transformer comprising a rounded coil

US9780161B2 · kind B2 · utility

7Cited by
13References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 2015
Grant dateOct 3, 2017
Priority date
Expiry dateAug 27, 2035

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/4902
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method for manufacturing an electronic device and an electronic device are disclosed. In an embodiment the method comprises forming an opening in an isolation layer, isotropically etching the opening thereby forming an extended opening with curved sidewalls, and forming a conductive material in the opening.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.