Patent ID: 11903755
Assignee: nan
Field: Measurement (Instruments)
Classification: CPC A  G  H | IPC A  G  H

Claim 0:
1. A non-contact angle measuring apparatus, comprising:
a matter-wave and energy (MWE) particle source for generating boson or fermion particles; and
a detector for detecting a plurality peaks or valleys of an interference pattern generated by the boson or fermion particles corresponding to a slit, a bump, or a hole of a first plane and matter waves associated with the boson or fermion particles reflected by a second plane, wherein angular locations of the plurality peaks or valleys of the interference pattern, a first distance between a joint region of the first plane and the second plane, and a second distance between the detector and the slit, the bump, or the hole are used for deciding an angle between the first plane and the second plane;
wherein the slit, the bump, or the hole has a short side length dimension with a third distance, the energy particle source is associated with one or more equivalent wavelengths, and the more equivalent wavelengths are less than 1/10- 1/20 of the first distance or less than ⅕- 1/10 of the third distance.