公开(公告)号：US10078048B2

公开(公告)日：2018-09-18

申请号：US15415283

申请日：2017-01-25

Applicant: Corning Incorporated

Inventor： Colin Brendan Daly ,  John Phillip Ertel ,  Jeffrey Stapleton King

IPC: G01N21/41 ,  G01N21/27

CPC classification number: G01N21/4133 ,  G01N21/274

Abstract: A refractometer assembly comprises a waveguide plate, a diagnostic light source, a photodetector, and a light absorption plate. The diagnostic light source and the photodetector are optically coupled to the waveguide plate such that at least a portion of light emitted from the diagnostic light source is subject to internal reflection at a diagnostic surface of the waveguide plate prior to reaching the photodetector when an analyte film of unknown refractive index n0 forms an optical interface with the diagnostic surface of the waveguide plate. The light absorption plate is configured to absorb light reaching the light absorption plate without undergoing internal reflection at the diagnostic surface when the analyte film forms an optical interface with the diagnostic surface of the waveguide plate. The refractometer assembly defines an optical system where variations in the unknown refractive index n0 are related to variations in a detection signal generated by the photodetector.

公开(公告)号：US20170212043A1

公开(公告)日：2017-07-27

申请号：US15415283

申请日：2017-01-25

Applicant: Corning Incorporated

Inventor： Colin Brendan Daly ,  John Phillip Ertel ,  Jeffrey Stapleton King

IPC: G01N21/41 ,  G01N21/27

CPC classification number: G01N21/4133 ,  G01N21/274

Abstract: A refractometer assembly comprises a waveguide plate, a diagnostic light source, a photodetector, and a light absorption plate. The diagnostic light source and the photodetector are optically coupled to the waveguide plate such that at least a portion of light emitted from the diagnostic light source is subject to internal reflection at a diagnostic surface of the waveguide plate prior to reaching the photodetector when an analyte film of unknown refractive index n0 forms an optical interface with the diagnostic surface of the waveguide plate. The light absorption plate is configured to absorb light reaching the light absorption plate without undergoing internal reflection at the diagnostic surface when the analyte film forms an optical interface with the diagnostic surface of the waveguide plate. The refractometer assembly defines an optical system where variations in the unknown refractive index n0 are related to variations in a detection signal generated by the photodetector.

公开(公告)号：US11449106B1

公开(公告)日：2022-09-20

申请号：US16521706

申请日：2019-07-25

Applicant: CORNING INCORPORATED

Inventor： Colin Brendan Daly ,  Geraint Owen ,  Dean Michael Thelen

IPC: G06F7/00 ,  G06F1/16 ,  H02J7/02 ,  H02J50/10 ,  H02J7/00 ,  H04B1/3883 ,  H04M1/02 ,  H01F38/14

Abstract: A cellular phone or tablet computer device includes a front face having a display screen, a back cover opposite the front face, and componentry between the front face and back cover. The back cover is metallic and includes pieces of metal separated from one another by electrical insulation.