Precision measuring method for eutectic welding position of laser emitter
A laser transmitter and precision measurement technology, which is applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of poor chip detection consistency and long detection cycle, and achieve the goals of reducing measurement costs, improving yield, and ensuring consistency Effect
Active Publication Date: 2016-12-14
CHINA ELECTRONIC TECH GRP CORP NO 2 RES INST
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Problems solved by technology
[0003] The invention provides a method for measuring the accuracy of eutectic welding position of a laser emitter, which solves the technical problems of poor detection consistency and long detection cycle of the attached chip on the laser emitter
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[0021] The present invention is described in detail below in conjunction with accompanying drawing:
[0022] A laser transmitter eutectic welding position accuracy measurement device, including a measuring platform 26, on which a fixture positioning plate 27 is arranged, and a cuboid fixture seat 1 is positioned in the fixture positioning plate 27, directly above the measuring platform 26 A measuring camera 28 connected to the computer is provided, a fixture fixing adjustment hole 2 is provided on the front side of the cuboid fixture seat 1, and a fixture fixing jackscrew 3 is arranged on the cuboid fixture seat 1 above the fixture fixing adjustment hole 2, The rear side of the rectangular clamp lower plate 4 is provided with a clamp adjustment fixed shaft 5, the rectangular clamp lower plate 4 is movably plugged in the clamp fixed adjustment hole 2 through the clamp adjustment fixed shaft 5, the clamp fixes the top wire 3 and the clamp adjusts the fixed shaft 5 are topped tog...
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The invention discloses a precision measuring method for the eutectic welding position of a laser emitter, and solves the problem that detection for attached chips in the laser emitter is low in consistency. A lower rectangular clamp plate (4) is movably plugged into a clamp fixing and adjusting hole (2) via a clamp adjusting and fixing shaft (5); a measuring clamp is clamped in the laser emitter due to cooperation of an extension spring (14), a tapered column (15), a left swing ring clamp (12) and a right swing rod clamp in the measuring clamp; and a clamp locating plate (27) on a test desk (26) completes a detection and location task of the laser emitter via a positioning annular table top arranged in a detecting and positioning groove (10) of the laser emitter and a positioning pin (25) fixedly arranged in the front end surface of a vertical plate of an upper L-shaped clamp plate (7). A computer connected with a camera (28) is used to calculate the centering value of chip surface-mounting, the focal length of chip surface-mounting and the chip rotation angle rapidly, and the position precision of the laser emitter is measured rapidly.
Description
technical field [0001] The invention relates to a device for measuring the attachment accuracy of a chip attached to a laser emitter, in particular to a method for measuring the attachment accuracy of a chip attached to a laser emitter. Background technique [0002] In the field of optical communication, optical signals are transmitted through optical fibers. During the transmission of optical signals, due to the limited transmission power, several optical transceivers composed of laser transmitters and receivers are set on the transmission line to act as relays. module. After the laser transmitter in the optical transceiver module is mounted through the eutectic process, when the mounting process is completed, the accuracy of the mounting position of the laser transmitter needs to be tested, and the next process can only be carried out after the test is passed. Production. The existing detection method is to place the mounted laser transmitter on the detection board, then...
Claims
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IPC IPC(8): G01B11/00H05K13/08
CPCG01B11/00H05K13/08
Inventor 侯一雪任思岩王雁段永波杨凯骏郝耀武曹国斌张媛
Owner CHINA ELECTRONIC TECH GRP CORP NO 2 RES INST