CN112221891A - Stepping test type coating method for COF substrate - Google Patents
Stepping test type coating method for COF substrate Download PDFInfo
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- CN112221891A CN112221891A CN202010952644.6A CN202010952644A CN112221891A CN 112221891 A CN112221891 A CN 112221891A CN 202010952644 A CN202010952644 A CN 202010952644A CN 112221891 A CN112221891 A CN 112221891A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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- Application Of Or Painting With Fluid Materials (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention relates to the technical field of electronic circuit boards, and discloses a stepping test type coating method for a COF substrate, which comprises the following steps: s1, providing a substrate, wherein a spraying head is arranged above the substrate, and one end of the spraying head is communicated with a delivery pump; one end of the delivery pump is communicated with the spraying liquid storage box body; s2, a thickness detector is arranged in the horizontal direction of the substrate; s3, placing the substrate on a transmission mechanism, wherein the transmission mechanism adopts an intermittent type mode for conveying; and S4, a gravity sensing device is arranged on the transmission mechanism, and a shape sensing device is arranged on the spraying head. According to the invention, the existing process is improved, the concave-convex area on the substrate is analyzed in the early stage and reasonably sprayed, so that the condition that the unevenness is not generated in the early stage is ensured, and the three-stage spraying mode is adopted in the follow-up process, so that the coating accuracy is ensured in the spraying process, and the use by people is facilitated.
Description
Technical Field
The invention relates to the technical field of electronic circuit boards, in particular to a stepping test type coating method for a COF substrate.
Background
With the continuous development of science and technology, electronic products are developed towards miniaturization, intellectualization, high performance and high reliability. The packaging substrate is transited from FPC to COF, the PTCH value of the COF substrate is smaller and smaller, pins for packaging are denser and more precise, and the integrated circuit packaging not only directly influences the performance of an integrated circuit, an electronic module and even a complete machine, but also restricts the miniaturization, low cost and reliability of the whole electronic system.
The conventional COF substrate needs coating treatment in the manufacturing process, but the roller type coating is generally adopted in the conventional coating treatment, but the coating method is difficult to be very accurate in coating precision and is easy to cause errors in use.
Disclosure of Invention
The invention aims to provide a step-by-step test type coating method for a COF substrate.
In order to achieve the purpose, the invention provides the following technical scheme: a step-by-step test type coating method for a COF substrate includes the steps of:
s1, providing a substrate, wherein a spraying head is arranged above the substrate, and one end of the spraying head is communicated with a delivery pump; one end of the delivery pump is communicated with the spraying liquid storage box body;
s2, a thickness detector is arranged in the horizontal direction of the substrate;
s3, placing the substrate on a transmission mechanism, wherein the transmission mechanism adopts an intermittent type mode for conveying;
s4, a gravity sensing device is arranged on the transmission mechanism, and a shape sensing device is arranged on the spraying head;
s5, when the substrate is positioned below the spray head, the shape of the substrate is sensed by the shape sensing device, the shape of the substrate is uploaded to a Central Processing Unit (CPU), the CPU comprises a concave-convex area on the substrate, and the data are analyzed and then transmitted to the CPU;
s6, performing primary spraying, namely performing primary spraying on the substrate by analyzing the concave-convex area of the spraying area on the substrate, and determining the spraying thickness to be 3-5mm of the height of the convex-out part of the substrate to ensure that the upper surface of the substrate is uniformly sprayed;
s7, inputting the coating thickness on the display panel, analyzing the coating thickness by the central processing unit, calculating the weight of the required spraying liquid, transmitting the data of the weight of the required spraying liquid to the gravity sensing device by a signal, driving the spraying head to spray by the driving template, and carrying out adaptive adjustment on the subsequent spraying thickness according to the sprayed height of S6;
s8, the amount of the first spraying is 50-60% of the total amount of the spraying amount except the spraying amount of S6, and the amount of the second spraying is 20-40% of the total amount of the spraying amount except the spraying amount of S6; the amount of the third spraying is 10-30% of the total amount of the spraying except for the S6;
and S9, arranging a hot air blowing mechanism on the transmission mechanism, and starting the hot air blowing mechanism during spraying.
Preferably, the spray head in S1 is configured as a height and angle adjustable spray head.
Preferably, the substrate is selected in S1 and then treated, and the substrate is washed with water and dried.
Preferably, the transfer pump is operated when the transmission is stationary.
Preferably, the spraying head is provided with an atomizing nozzle.
Preferably, the number of the hot air blowing means in S9 is two, forming convection.
Preferably, the wind speed of the hot wind blowing mechanism in the S9 is 0.5m/S-1.0m/S, and the temperature of the hot wind is 50-75 ℃.
The invention provides a step-by-step test type coating method for a COF substrate. The method has the following beneficial effects:
(1) according to the invention, the existing process is improved, the concave-convex area on the substrate is analyzed in the early stage and reasonably sprayed, so that the condition that the unevenness is not generated in the early stage is ensured, and the three-stage spraying mode is adopted in the follow-up process, so that the coating accuracy is ensured in the spraying process, and the use by people is facilitated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a step-by-step test type coating method for a COF substrate includes the steps of:
s1, providing a substrate, wherein the substrate needs to be processed after selection, washing and drying the substrate, a spraying head is arranged above the substrate, the spraying head is arranged into a spraying head with adjustable height and angle, an atomizing spray head is arranged on the spraying head, and one end of the spraying head is communicated with a delivery pump; one end of the delivery pump is communicated with the spraying liquid storage box body;
s2, a thickness detector is arranged in the horizontal direction of the substrate;
s3, placing the substrate on a transmission mechanism, wherein the transmission mechanism adopts an intermittent transmission mode, and when the transmission mechanism is static, the transmission pump starts to work;
s4, a gravity sensing device is arranged on the transmission mechanism, and a shape sensing device is arranged on the spraying head;
s5, when the substrate is positioned below the spray head, the shape of the substrate is sensed by the shape sensing device, the shape of the substrate is uploaded to a Central Processing Unit (CPU), the CPU comprises a concave-convex area on the substrate, and the data are analyzed and then transmitted to the CPU;
s6, performing primary spraying, namely performing primary spraying on the substrate by analyzing the concave-convex area of the spraying area on the substrate, and determining the spraying thickness to be 3mm of the height of the convex-out part of the substrate to ensure that the upper surface of the substrate is uniformly sprayed;
s7, inputting the coating thickness on the display panel, analyzing the coating thickness by the central processing unit, calculating the weight of the required spraying liquid, transmitting the data of the weight of the required spraying liquid to the gravity sensing device by a signal, driving the spraying head to spray by the driving template, and carrying out adaptive adjustment on the subsequent spraying thickness according to the sprayed height of S6;
s8, the amount of the first spraying is 50% of the total amount of the spraying amount except the spraying amount of S6, and the amount of the second spraying is 20% of the total amount of the spraying amount except the spraying amount of S6; the amount of the third spraying was 30% of the total amount of the spraying excluding S6;
s9, arranging hot air blowing mechanisms on the transmission mechanism, and starting the hot air blowing mechanisms when spraying, wherein the number of the hot air blowing mechanisms is two, convection is formed, the air speed of the hot air blowing mechanisms is 0.5m/S, and the temperature of hot air is 50 ℃.
Example two:
a step-by-step test type coating method for a COF substrate includes the steps of:
s1, providing a substrate, wherein the substrate needs to be processed after selection, washing and drying the substrate, a spraying head is arranged above the substrate, the spraying head is arranged into a spraying head with adjustable height and angle, an atomizing spray head is arranged on the spraying head, and one end of the spraying head is communicated with a delivery pump; one end of the delivery pump is communicated with the spraying liquid storage box body;
s2, a thickness detector is arranged in the horizontal direction of the substrate;
s3, placing the substrate on a transmission mechanism, wherein the transmission mechanism adopts an intermittent transmission mode, and when the transmission mechanism is static, the transmission pump starts to work;
s4, a gravity sensing device is arranged on the transmission mechanism, and a shape sensing device is arranged on the spraying head;
s5, when the substrate is positioned below the spray head, the shape of the substrate is sensed by the shape sensing device, the shape of the substrate is uploaded to a Central Processing Unit (CPU), the CPU comprises a concave-convex area on the substrate, and the data are analyzed and then transmitted to the CPU;
s6, performing primary spraying, namely performing primary spraying on the substrate by analyzing the concave-convex area of the spraying area on the substrate, and determining the spraying thickness to be 4mm of the height of the convex-out part of the substrate to ensure that the upper surface of the substrate is uniformly sprayed;
s7, inputting the coating thickness on the display panel, analyzing the coating thickness by the central processing unit, calculating the weight of the required spraying liquid, transmitting the data of the weight of the required spraying liquid to the gravity sensing device by a signal, driving the spraying head to spray by the driving template, and carrying out adaptive adjustment on the subsequent spraying thickness according to the sprayed height of S6;
s8, the amount of the first spraying is 55% of the total amount of the spraying amount except the spraying amount of S6, and the amount of the second spraying is 25% of the total amount of the spraying amount except the spraying amount of S6; the amount of the third spraying was 20% of the total amount of the spraying excluding S6;
s9, arranging hot air blowing mechanisms on the transmission mechanism, and starting the hot air blowing mechanisms when spraying, wherein the number of the hot air blowing mechanisms is two, convection is formed, the air speed of the hot air blowing mechanisms is 0.7m/S, and the temperature of hot air is 60 ℃.
Example three:
a step-by-step test type coating method for a COF substrate includes the steps of:
s1, providing a substrate, wherein the substrate needs to be processed after selection, washing and drying the substrate, a spraying head is arranged above the substrate, the spraying head is arranged into a spraying head with adjustable height and angle, an atomizing spray head is arranged on the spraying head, and one end of the spraying head is communicated with a delivery pump; one end of the delivery pump is communicated with the spraying liquid storage box body;
s2, a thickness detector is arranged in the horizontal direction of the substrate;
s3, placing the substrate on a transmission mechanism, wherein the transmission mechanism adopts an intermittent transmission mode, and when the transmission mechanism is static, the transmission pump starts to work;
s4, a gravity sensing device is arranged on the transmission mechanism, and a shape sensing device is arranged on the spraying head;
s5, when the substrate is positioned below the spray head, the shape of the substrate is sensed by the shape sensing device, the shape of the substrate is uploaded to a Central Processing Unit (CPU), the CPU comprises a concave-convex area on the substrate, and the data are analyzed and then transmitted to the CPU;
s6, performing primary spraying, namely performing primary spraying on the substrate by analyzing the concave-convex area of the spraying area on the substrate, and determining the spraying thickness to be 4mm of the height of the convex-out part of the substrate to ensure that the upper surface of the substrate is uniformly sprayed;
s7, inputting the coating thickness on the display panel, analyzing the coating thickness by the central processing unit, calculating the weight of the required spraying liquid, transmitting the data of the weight of the required spraying liquid to the gravity sensing device by a signal, driving the spraying head to spray by the driving template, and carrying out adaptive adjustment on the subsequent spraying thickness according to the sprayed height of S6;
s8, the amount of the first spraying is 60% of the total amount of the spraying amount except the spraying amount of S6, and the amount of the second spraying is 20% of the total amount of the spraying amount except the spraying amount of S6; the amount of the third spraying was 20% of the total amount of the spraying excluding S6;
s9, arranging hot air blowing mechanisms on the transmission mechanism, and starting the hot air blowing mechanisms when spraying, wherein the number of the hot air blowing mechanisms is two, convection is formed, the air speed of the hot air blowing mechanisms is 0.8m/S, and the temperature of hot air is 70 ℃.
Example four:
a step-by-step test type coating method for a COF substrate includes the steps of:
s1, providing a substrate, wherein the substrate needs to be processed after selection, washing and drying the substrate, a spraying head is arranged above the substrate, the spraying head is arranged into a spraying head with adjustable height and angle, an atomizing spray head is arranged on the spraying head, and one end of the spraying head is communicated with a delivery pump; one end of the delivery pump is communicated with the spraying liquid storage box body;
s2, a thickness detector is arranged in the horizontal direction of the substrate;
s3, placing the substrate on a transmission mechanism, wherein the transmission mechanism adopts an intermittent transmission mode, and when the transmission mechanism is static, the transmission pump starts to work;
s4, a gravity sensing device is arranged on the transmission mechanism, and a shape sensing device is arranged on the spraying head;
s5, when the substrate is positioned below the spray head, the shape of the substrate is sensed by the shape sensing device, the shape of the substrate is uploaded to a Central Processing Unit (CPU), the CPU comprises a concave-convex area on the substrate, and the data are analyzed and then transmitted to the CPU;
s6, performing primary spraying, namely performing primary spraying on the substrate by analyzing the concave-convex area of the spraying area on the substrate, and determining the spraying thickness to be 5mm of the height of the convex-out part of the substrate to ensure that the upper surface of the substrate is uniformly sprayed;
s7, inputting the coating thickness on the display panel, analyzing the coating thickness by the central processing unit, calculating the weight of the required spraying liquid, transmitting the data of the weight of the required spraying liquid to the gravity sensing device by a signal, driving the spraying head to spray by the driving template, and carrying out adaptive adjustment on the subsequent spraying thickness according to the sprayed height of S6;
s8, the amount of the first spraying is 50% of the total amount of the spraying amount except the spraying amount of S6, and the amount of the second spraying is 40% of the total amount of the spraying amount except the spraying amount of S6; the amount of the third spraying was 10% of the total amount of the spraying excluding S6;
s9, arranging hot air blowing mechanisms on the transmission mechanism, and starting the hot air blowing mechanisms when spraying, wherein the number of the hot air blowing mechanisms is two, convection is formed, the air speed of the hot air blowing mechanisms is 1.0m/S, and the temperature of hot air is 75 ℃.
In conclusion, the invention improves the prior art, analyzes the concave-convex area on the substrate in the early stage, reasonably sprays the concave-convex area, ensures that the uneven condition can not exist in the early stage during spraying, and ensures that the coating is accurate during spraying by adopting a three-stage spraying mode in the follow-up stage, thereby being convenient for people to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A step-by-step test type coating method for a COF substrate is characterized in that: the method comprises the following steps:
s1, providing a substrate, wherein a spraying head is arranged above the substrate, and one end of the spraying head is communicated with a delivery pump; one end of the delivery pump is communicated with the spraying liquid storage box body;
s2, a thickness detector is arranged in the horizontal direction of the substrate;
s3, placing the substrate on a transmission mechanism, wherein the transmission mechanism adopts an intermittent type mode for conveying;
s4, a gravity sensing device is arranged on the transmission mechanism, and a shape sensing device is arranged on the spraying head;
s5, when the substrate is positioned below the spray head, the shape of the substrate is sensed by the shape sensing device, the shape of the substrate is uploaded to a Central Processing Unit (CPU), the CPU comprises a concave-convex area on the substrate, and the data are analyzed and then transmitted to the CPU;
s6, performing primary spraying, namely performing primary spraying on the substrate by analyzing the concave-convex area of the spraying area on the substrate, and determining the spraying thickness to be 3-5mm of the height of the convex-out part of the substrate to ensure that the upper surface of the substrate is uniformly sprayed;
s7, inputting the coating thickness on the display panel, analyzing the coating thickness by the central processing unit, calculating the weight of the required spraying liquid, transmitting the data of the weight of the required spraying liquid to the gravity sensing device by a signal, driving the spraying head to spray by the driving template, and carrying out adaptive adjustment on the subsequent spraying thickness according to the sprayed height of S6;
s8, the amount of the first spraying is 50-60% of the total amount of the spraying amount except the spraying amount of S6, and the amount of the second spraying is 20-40% of the total amount of the spraying amount except the spraying amount of S6; the amount of the third spraying is 10-30% of the total amount of the spraying except for the S6;
and S9, arranging a hot air blowing mechanism on the transmission mechanism, and starting the hot air blowing mechanism during spraying.
2. The step-by-step test coating method for a COF substrate according to claim 1, wherein: the spray head in S1 is configured as a height and angle adjustable spray head.
3. The step-by-step test coating method for a COF substrate according to claim 1, wherein: in S1, the substrate is selected and then processed, and the substrate is washed and dried.
4. The step-by-step test coating method for a COF substrate according to claim 1, wherein: when the transmission mechanism is static, the delivery pump starts to work.
5. The step-by-step test coating method for a COF substrate according to claim 1, wherein: the spraying head is provided with an atomizing nozzle.
6. The step-by-step test coating method for a COF substrate according to claim 1, wherein: the number of the hot air blowing mechanisms in S9 is two, and convection is formed.
7. The step-by-step test coating method for a COF substrate according to claim 1, wherein: in S9, the wind speed of the hot wind blowing mechanism is 0.5-1.0 m/S, and the hot wind temperature is 50-75 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952644.6A CN112221891A (en) | 2020-09-11 | 2020-09-11 | Stepping test type coating method for COF substrate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952644.6A CN112221891A (en) | 2020-09-11 | 2020-09-11 | Stepping test type coating method for COF substrate |
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| CN112221891A true CN112221891A (en) | 2021-01-15 |
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| CN202010952644.6A Pending CN112221891A (en) | 2020-09-11 | 2020-09-11 | Stepping test type coating method for COF substrate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308443A (en) * | 2021-12-31 | 2022-04-12 | 江苏明智车业有限公司 | Gluing manipulator matching gluing method |
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|---|---|---|---|---|
| CN204074439U (en) * | 2014-08-18 | 2015-01-07 | 南京新月材料科技有限公司 | A kind of liquid phase coating apparatus |
| CN104511388A (en) * | 2014-12-29 | 2015-04-15 | 深圳市华星光电技术有限公司 | Photoresist coating device and photoresist coating method |
| CN111375514A (en) * | 2020-04-28 | 2020-07-07 | 江苏上达电子有限公司 | Precise edge-pasting spraying device suitable for COF substrate and using method thereof |
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2020
- 2020-09-11 CN CN202010952644.6A patent/CN112221891A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204074439U (en) * | 2014-08-18 | 2015-01-07 | 南京新月材料科技有限公司 | A kind of liquid phase coating apparatus |
| CN104511388A (en) * | 2014-12-29 | 2015-04-15 | 深圳市华星光电技术有限公司 | Photoresist coating device and photoresist coating method |
| CN111375514A (en) * | 2020-04-28 | 2020-07-07 | 江苏上达电子有限公司 | Precise edge-pasting spraying device suitable for COF substrate and using method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308443A (en) * | 2021-12-31 | 2022-04-12 | 江苏明智车业有限公司 | Gluing manipulator matching gluing method |
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Application publication date: 20210115 |