公开(公告)号：US09954255B2

公开(公告)日：2018-04-24

申请号：US14884822

申请日：2015-10-16

Applicant: CHROMA ATE INC.

Inventor： James E. Hopkins

IPC: H01M10/48 ,  H01M10/42 ,  G01B21/32 ,  H01M2/10

CPC classification number: H01M10/48 ,  G01B21/32 ,  H01M2/1061 ,  H01M10/4285 ,  H01M2220/30

Abstract: A measurement fixture for a battery cell is provided when the battery cell is connected to an apparatus. The measurement fixture comprises a chamber, a pressure sensor and an expansion sensor. The chamber defines a sealed space for receiving the battery cell. The pressure sensor is mounted to the chamber to sense a change of pressure in the sealed space due to a volume change of the battery cell to calculate pressure in the battery cell and the volume change of the battery cell non-contactly. The expansion sensor is mounted to the chamber to sense a deformation of the battery cell to calculate a correlation between the pressure in the battery cell and the volume change of the battery cell non-contactly.

公开(公告)号：US10903618B2

公开(公告)日：2021-01-26

申请号：US16358812

申请日：2019-03-20

Applicant: Chroma Ate Inc.

Inventor： James E. Hopkins

IPC: H01S5/00 ,  G01R31/26 ,  H01S5/024

Abstract: A fixture assembly having a base, an upper cover and a latch mechanism for testing an edge-emitting laser diode and a testing apparatus having the same are provided. The base includes a pocket, and a transmission cavity in communication with and orthogonal to the pocket. The upper cover includes a body, an abutting block and a pressing member. The abutting block having an electrical contact interface is engageable with the body for slidable movement with respect to the body. The latch mechanism is disposed on the upper cover, and may selectively connect or disconnect the upper cover to or from the base. When the latch mechanism is operated to connect the upper cover to the base, the pressing member applies a force through the abutting block on the edge-emitting laser diode received in the pocket, and the edge-emitting laser diode emits the laser for inspection through the transmission cavity.

公开(公告)号：US20200303895A1

公开(公告)日：2020-09-24

申请号：US16358812

申请日：2019-03-20

Applicant: Chroma Ate Inc.

Inventor： James E. Hopkins

IPC: H01S5/00 ,  H01S5/024 ,  G01R31/26

Abstract: A fixture assembly having a base, an upper cover and a latch mechanism for testing an edge-emitting laser diode and a testing apparatus having the same are provided. The base includes a pocket, and a transmission cavity in communication with and orthogonal to the pocket. The upper cover includes a body, an abutting block and a pressing member. The abutting block having an electrical contact interface is engageable with the body for slidable movement with respect to the body. The latch mechanism is disposed on the upper cover, and may selectively connect or disconnect the upper cover to or from the base. When the latch mechanism is operated to connect the upper cover to the base, the pressing member applies a force through the abutting block on the edge-emitting laser diode received in the pocket, and the edge-emitting laser diode emits the laser for inspection through the transmission cavity.

公开(公告)号：US10965096B2

公开(公告)日：2021-03-30

申请号：US16358800

申请日：2019-03-20

Applicant: Chroma Ate Inc.

Inventor： James E. Hopkins

IPC: H01S5/00 ,  H01S5/183 ,  H01S5/024

Abstract: A fixture assembly for testing a surface emitting laser diode and a testing apparatus having the same are provided. The fixture assembly comprises a base, an upper cover and a latch mechanism. The base includes at least one pocket, and at least one electrical contact interface disposed in the pocket. The upper cover includes a body, an abutting block and a pressing member disposed in the body. The abutting block is engageable with the body for slidable movement with respect to the body. The latch mechanism is disposed on the base and the upper cover, and is configured to selectively connect or disconnect the base to or from the upper cover. When the latch mechanism is operated to connect the base to the upper cover, the pocket and an opening of the abutting block form into a through cavity through which the laser diode emits the laser beam.

公开(公告)号：US20200303894A1

公开(公告)日：2020-09-24

申请号：US16358800

申请日：2019-03-20

Applicant: Chroma Ate Inc.

Inventor： James E. Hopkins

IPC: H01S5/00 ,  H01S5/024 ,  H01S5/183

Abstract: A fixture assembly for testing a surface emitting laser diode and a testing apparatus having the same are provided. The fixture assembly comprises a base, an upper cover and a latch mechanism. The base includes at least one pocket, and at least one electrical contact interface disposed in the pocket. The upper cover includes a body, an abutting block and a pressing member disposed in the body. The abutting block is engageable with the body for slidable movement with respect to the body. The latch mechanism is disposed on the base and the upper cover, and is configured to selectively connect or disconnect the base to or from the upper cover. When the latch mechanism is operated to connect the base to the upper cover, the pocket and an opening of the abutting block form into a through cavity through which the laser diode emits the laser beam.