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Robust symmetrical-pin chip drawing method

A robust and pin-based technology, which is applied in the field of drawing chips with symmetrical pins, can solve the problem that the accuracy of chip parameter information cannot be observed intuitively

Active Publication Date: 2017-12-08
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problem that the accuracy of the collected chip parameter information cannot be visually observed in the existing chip information collection system. The present invention provides a method for drawing a robust symmetrical pin type chip

Method used

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  • Robust symmetrical-pin chip drawing method
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  • Robust symmetrical-pin chip drawing method

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specific Embodiment approach 1

[0029] Specific implementation mode one: see figure 1 Describe this embodiment, a method for drawing a robust symmetrical pin chip described in this embodiment, the method includes the following steps:

[0030] Step 1: Draw the rectangular outline of the chip body according to the measured chip body parameters. At this time, the position of the chip body defaults to the initial position; the measured chip body parameters include the dimension X of the rectangular profile in the X-axis direction. body and Y axis dimension Y body ; The length direction of the rectangular profile is the X-axis direction, and the width direction is the Y-axis direction;

[0031] Step 2: Draw the pins on each side of the chip body in turn according to the number of pins on each side of the chip body, the length of the pins, the width of the pins, the distance between adjacent pins, and the vacancy block information; The length of the pin is equal to the sum of the length of the root of the pin an...

specific Embodiment approach 2

[0036]Specific implementation mode two: see figure 1 Describe this embodiment. The difference between this embodiment and the method for drawing a robust symmetrical pin chip described in the first embodiment is that in step 1, the parameters of the chip body are drawn according to the actual measured parameters of the chip body. The specific process of the rectangular outline is as follows: according to the parameters of the chip body, a closed line segment is drawn by using the openGL graphics program interface function, so as to obtain the rectangular outline of the chip body.

specific Embodiment approach 3

[0037] Specific implementation mode three: see figure 1 and 2 Describe this embodiment. The difference between this embodiment and the method for drawing a robust symmetrical pin chip described in the first embodiment is that in the second step, according to the actual measurement of the number of pins on each side of the chip body, The specific process of drawing the pins on each side of the chip body in turn is as follows:

[0038] Step 21: Define the right, upper, left, and lower sides of the chip body as sides No. 1 to No. 4, and use the openGL graphics program interface function for the pins on sides No. 1 to No. 4 in turn. Step 2 and 4 draw, when the number of pins on any side is greater than or equal to 2, draw the pins on the side from top to bottom;

[0039] Step 2 and 2: judge whether the number of side pins to be drawn is greater than 0, if the judgment result is yes, perform steps 2 and 3, if the judgment result is no, perform steps 2 and 5;

[0040] Step two an...

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Abstract

The invention relates to a symmetrical-pin chip drawing method, in particular to a robust symmetrical-pin chip drawing method. The problem that the accuracy of collected chip parameter information cannot be visually observed by existing chip information collecting systems is solved. The method comprises the steps that 1, according to measured chip body parameters, a rectangular outline of a chip body is drawn, wherein the position of the chip body defaults to an initial position; 2, according to the number of pins on each edge of the measured chip body, the lengths of the pins, the widths of the pins, the distances between adjacent pins and vacant block information, the pins on each edge of the chip body are drawn in sequence, wherein the vacant block information comprises the position information of each vacant block and the number of vacant blocks; 3, according to the offset and rotation angles of a measured chip, the drawn chip body and pins are regarded as a whole for translation and rotation, so that drawing of the symmetrical-pin chip is completed. The method is mainly used for drawing of the symmetrical pins.

Description

technical field [0001] The invention relates to a drawing method of a chip with symmetrical pins. Background technique [0002] In the mounting process of the placement machine, the chip is placed on the designated position of the PCB board, and whether the chip is placed in the designated position accurately and the data fed back by the system is particularly important for the placement process of the entire placement machine. The acquisition system collects pictures of the mounted chips on the PCB and solves the calculated chip information. The chip information includes the number of pin groups, pin length, pin width, pin spacing, and each The number of pins in the group, the information of the vacant block, the rotation angle of the chip and the offset in the X and Y directions, etc. [0003] Symmetrical pin type chip pin types are mainly divided into G-type pins and J-type pins. Among them, G-type pins have only feet and no roots, and the length of the pins is the lengt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06T11/20G06T7/00
CPCG06F30/392G06T7/001G06T11/203G06T2207/30148
Inventor 高会军杨宪强张智浩刘鑫于金泳孙光辉
Owner HARBIN INST OF TECH
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