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Method and system for obliquely dispensing adhesive

A technology of sloping point and dispensing, which is applied in the direction of devices and coatings that apply liquid to the surface, which can solve the problem of difficulty in controlling the overflow width.

Inactive Publication Date: 2013-10-23
SHENZHEN AXXON AUTOMATION
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for oblique dispensing, which aims to solve the problem that the overflow glue width in the existing jet dispensing is difficult to control

Method used

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  • Method and system for obliquely dispensing adhesive

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] Such as figure 1 As shown, the oblique dispensing method disclosed in the present invention includes the following steps: A, correcting the deviation value between the nozzle and the lens; B, setting the rotation direction and rotation angle parameter value of the injection valve; C, teaching the reference mark MARK Point and perform template matching; D. Set dispensing parameter information and save the parameter information; E. Perform dispensing action.

[0021] Wherein, before performing step A, it is usually necessary to start and reset the control software, so that the dispensing equi...

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Abstract

The invention is applied to the technical field of fluid control, and provides a method for obliquely dispensing adhesive. The method comprises the following steps: A, a deviation value between a jet head and a lens is calibrated; B, parameter values of rotation direction and rotation angle of a jetting valve are set; C, a datum mark (MARK) point is enlightened and template matching is performed; D, parameter information of dispensing is set and stored; E, dispensing action is performed. According to the method provided by the invention, a certain inclined angle can be formed between a jet nozzle of the jetting valve and the dispensing surface to perform dispensing operation, so that glue dots are accumulated between the side surface of a chip and the bottom of the chip to cover the bottom of the chip quickly, and under the action of capillary phenomenon, the diffusive degree of the glue can be efficiently controlled.

Description

technical field [0001] The invention belongs to the technical field of fluid control, in particular to a method and system for oblique dispensing. [0002] Background technique [0003] In the manufacturing process of electronic products, the surface coating of packaging glue is a very important step in the packaging process of electronic products. At present, the surface coating technology of encapsulant is generally divided into two kinds of technologies: contact dispensing and non-contact dispensing, and jet dispensing technology is usually adopted in non-contact dispensing technology. [0004] In the traditional non-contact dispensing technology, the nozzle and the dispensing surface are kept vertical, and the glue must cover the bottom of the chip. Under capillary action, the glue can diffuse to the outside of the chip, so that the width of the overflow glue exceeds the specified dispensing area, resulting in no The production of good products. Contents of the inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D1/26B05C5/02
Inventor 陈龙
Owner SHENZHEN AXXON AUTOMATION
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