Patent · US Active

Positive/negative phase shift bimetallic zone plate

US10436722B2 · kind B2 · utility

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10Claims

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Assignee

UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA · CN

Inventors

Kun Gao · Shandong, CN
Jian Chen · Meekrap-oord, CN
Renfang Hu · Shanghai, CN
Zhili Wang · Shanghai, CN
Dajiang Wang · Nanhu, CN
Zhiyun Pan · Meekrap-oord, CN
Wangsheng Chu · Meekrap-oord, CN
Shiqiang Wei · Beijing, CN

Key dates

Filing date	May 22, 2014
Grant date	Oct 8, 2019
Priority date	—
Expiry date	Oct 10, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG21K7/00
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention provides a positive/negative phase shift bimetallic zone plate and production method thereof, wherein the positive/negative phase shift bimetallic zone plate comprises: a first metallic material having a positive phase shift; a second metallic material having a negative phase shift at a working energy point; wherein the first metallic material and the second metallic material are alternately arranged, so that the second metallic material replaces the blank portion in a cycle of a traditional zone plate.

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