公开(公告)号：US20130063158A1

公开(公告)日：2013-03-14

申请号：US13230108

申请日：2011-09-12

Applicant: DANIEL M. POTREPKA ,  STEVEN C. TIDROW

Inventor： DANIEL M. POTREPKA ,  STEVEN C. TIDROW

IPC: G01R27/04

CPC classification number: G01R27/2658 ,  G01N22/00

Abstract: A method and apparatus for obtaining dielectric constant and other measurements of a sample, comprising an open cavity resonator; a microwave energy generator for creating a resonating microwave in the open cavity resonator; a predetermined dielectric material having a high dielectric constant in the range of 2 to 100,000 substantially filling the region in which a microwave resonates; the dielectric material adapted to receive a sample for measurement of the dielectric properties of the sample; whereby during operation the resonating microwave beam is substantially immersed in the predetermined dielectric material such that the effective electrical spot size and beam cross-section along the cylindrical axis of the resonating microwave is reduced as a function of the inverse of the square root of the predetermined dielectric material dielectric constant. The dielectric constant or loss tangent of the sample may be determined based upon the change in the cavity's resonant frequency modes.

Abstract translation: 一种用于获得样品的介电常数和其它测量的方法和装置，包括开放式腔谐振器; 微波能量发生器，用于在开放式腔谐振器中产生谐振微波; 具有高介电常数在2至100,000范围内的预定电介质材料，其基本上填充微波共振的区域; 所述电介质材料适于接收用于测量所述样品的介电性质的样品; 由此在操作期间，谐振微波束基本上浸没在预定介电材料中，使得沿共振微波的圆柱轴线的有效电斑尺寸和光束横截面作为预定的平面根的倒数的函数而减小 介电常数介电材料。 样品的介电常数或损耗角正切可以根据空腔谐振频率模式的变化来确定。