CN113370687A - Method for realizing PCB anti-mixing based on two-dimensional code - Google Patents
Method for realizing PCB anti-mixing based on two-dimensional code Download PDFInfo
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- CN113370687A CN113370687A CN202110715144.5A CN202110715144A CN113370687A CN 113370687 A CN113370687 A CN 113370687A CN 202110715144 A CN202110715144 A CN 202110715144A CN 113370687 A CN113370687 A CN 113370687A
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- dimensional code
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/28—Printing on other surfaces than ordinary paper on metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
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Abstract
The invention provides a method for realizing PCB anti-mixing based on two-dimensional codes, which comprises the following steps: A. two-dimensional code silk-screen printing; B. keeping the period of the two-dimension code of the technical edge consistent with the period in the plate; C. and setting the logic of the anti-mixing plate comparison system, and performing anti-mixing plate comparison. The invention provides a novel production process of a PCB (printed circuit board) screen printing two-dimensional code, wherein the two-dimensional code changes along with the period, and the screen printing two-dimensional code flow identification and error-proofing program logic method is adopted. According to the invention, the two-dimensional code is silk-printed by a silk-screen printing process method, and the silk-screen printing precision, thickness and definition can meet the requirement of identification; meanwhile, the method for developing the anti-mixing board is combined with the production requirement of the PCB, and is suitable for production circulation and quality control.
Description
Technical Field
The invention belongs to the technical field of PCBs, and particularly relates to a method for realizing PCB anti-mixing based on a two-dimensional code.
Background
The screen printing layer of the PCB is a character layer, and is used for printing required mark patterns, character codes and the like, such as element labels and nominal values, element outline shapes, manufacturer marks, production dates and the like, on the upper surface and the lower surface of the PCB in order to facilitate the installation, maintenance and the like of circuits.
The silk screen printing layer is a character layer, belongs to the uppermost layer in the PCB and is generally used for annotation. The correct silk-screen layer character arrangement principle is as follows: no ambiguity, and beautiful and elegant appearance due to the fact that the needle is inserted when the needle is broken. This is a layer dedicated to printing a desired logo, a character code, and the like on both the upper and lower surfaces of the printed board for the convenience of circuit mounting, maintenance, and the like.
Although the technology is improved qualitatively with continuous innovation and improvement of the technology, for example, the two-dimensional code is applied to PCB production and manufacturing, the number of PCS in the production and circulation process is large, and the number of PCS with the same material number is also very large. Although measures such as LOT, delivery with different periods and the like are set in the prior art for error prevention, the conditions of mixed boards and mixed periods cannot be avoided.
Therefore, in the PCB full-flow finished product transfer process, how to ensure that the PCB is not mixed is important, the trouble of mixing the PCB and the mixing period is solved, and the customer complaints are reduced.
Disclosure of Invention
In view of this, the invention provides a method for realizing PCB anti-mixing based on two-dimensional codes.
The technical scheme of the invention is as follows:
a method for realizing PCB anti-mixing based on two-dimensional code is characterized by comprising the following steps:
A. two-dimensional code silk-screen printing;
B. keeping the period of the two-dimension code of the technical edge consistent with the period in the plate;
C. and setting the logic of the anti-mixing plate comparison system, and performing anti-mixing plate comparison.
Furthermore, the size of the two-dimensional code is 5 × 5-7 × 7mm, and the two-dimensional code is spliced by taking the width of 14mil as a reference unit.
Furthermore, the thickness of characters printed by the two-dimensional code silk screen is 10-25um, so that the definition and the silk screen printing process capability are ensured, and the two-dimensional code content is automatically generated.
Furthermore, the period of the two-dimensional code on the process side needs to be consistent with the period in the board, the content of the two-dimensional code comprises a customer model, a code, a period and the like, the two-dimensional code is designed in a format of model + period + code, the two-dimensional code is matched with the period change, the period is designed in the board and is displayed in a digital form, the two-dimensional code is designed on the process side or a baffle, after the silk screen printing is finished, the two-dimensional code scanning process is carried out, and the displayed content period needs to be consistent with the period in the board.
Furthermore, the logic of the anti-mixing plate comparison system is set, and anti-mixing plate comparison is carried out. After the silk screen printing two-dimensional code is finished, a recognizable two-dimensional code scanning gun is used for scanning, display contents need to be presented on a visual page, the display contents have a comparison function, the two-dimensional code of each period of each material number has design contents, and the two-dimensional codes in different periods can prompt on the page to avoid mixed boards.
Further, the anti-aliasing system logic comprises:
entering content: scanning the content of the first two-dimension code, and clicking and storing after confirmation;
and (4) comparison content: if the input content is the reference, the input content passes the reference, otherwise, the input content is prompted.
Further, the anti-mixing plate comparison comprises the following steps:
s1, receiving a two-dimension code flow board to be walked, and scanning a first board by a staff to input the content of the two-dimension code of the first board;
s2, checking whether the recorded two-dimensional code content is accurate by the staff, and storing the OK; and S3, scanning in sequence, comparing the contents of the input first board, if the contents are consistent, passing, and otherwise prompting.
In the invention, no matter what format and model, comparison and error prevention can be carried out as long as the input content is checked to be correct.
The invention can accelerate the production flow rate, reduce the intensity of staff, perfectly solve the trouble of mixing boards and mixing period, reduce customer complaints and bring economic benefits to PCB enterprises.
The invention provides a novel production process of a PCB (printed circuit board) screen printing two-dimensional code, wherein the two-dimensional code changes along with the period, and the screen printing two-dimensional code flow identification and error-proofing program logic method is adopted.
The invention has the following beneficial effects:
1. the two-dimensional code is printed through a silk-screen printing process (the two-dimensional code cannot be printed through spray printing), and the silk-screen printing precision, thickness and definition can meet the requirement of identification;
2. the method for developing the anti-mixing board is independently researched and developed by combining with the production requirement of the PCB, and is suitable for production circulation and quality control.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
A method for realizing PCB anti-mixing based on two-dimensional code is characterized by comprising the following steps:
A. two-dimensional code silk-screen printing;
B. keeping the period of the two-dimension code of the technical edge consistent with the period in the plate;
C. and setting the logic of the anti-mixing plate comparison system, and performing anti-mixing plate comparison.
Furthermore, the size of the two-dimensional code is 5 x 5mm, and the two-dimensional code is spliced by taking the width of 14mil as a reference unit.
Furthermore, the thickness of characters of the two-dimensional code silk screen printing is 10um, the definition and the silk screen printing technological capacity are guaranteed, and the two-dimensional code content is automatically generated.
Furthermore, the period of the two-dimensional code on the process side needs to be consistent with the period in the board, the content of the two-dimensional code comprises a customer model, a code, a period and the like, the two-dimensional code is designed in a format of model + period + code, the two-dimensional code is matched with the period change, the period is designed in the board and is displayed in a digital form, the two-dimensional code is designed on the process side or a baffle, after the silk screen printing is finished, the two-dimensional code scanning process is carried out, and the displayed content period needs to be consistent with the period in the board.
Furthermore, the logic of the anti-mixing plate comparison system is set, and anti-mixing plate comparison is carried out. After the silk screen printing two-dimensional code is finished, a recognizable two-dimensional code scanning gun is used for scanning, display contents need to be presented on a visual page, the display contents have a comparison function, the two-dimensional code of each period of each material number has design contents, and the two-dimensional codes in different periods can prompt on the page to avoid mixed boards.
Further, the anti-aliasing system logic comprises:
entering content: scanning the content of the first two-dimension code, and clicking and storing after confirmation;
and (4) comparison content: if the input content is the reference, the input content passes the reference, otherwise, the input content is prompted.
Further, the anti-mixing plate comparison comprises the following steps:
s1, receiving a two-dimension code flow board to be walked, and scanning a first board by a staff to input the content of the two-dimension code of the first board;
s2, checking whether the recorded two-dimensional code content is accurate by the staff, and storing the OK; and S3, scanning in sequence, comparing the contents of the input first board, if the contents are consistent, passing, and otherwise prompting.
In the invention, no matter what format and model, comparison and error prevention can be carried out as long as the input content is checked to be correct.
Example 2
A method for realizing PCB anti-mixing based on two-dimensional code is characterized by comprising the following steps:
A. two-dimensional code silk-screen printing;
B. keeping the period of the two-dimension code of the technical edge consistent with the period in the plate;
C. and setting the logic of the anti-mixing plate comparison system, and performing anti-mixing plate comparison.
Furthermore, the size of the two-dimensional code is 6 x 6mm, and the two-dimensional code is spliced by taking the width of 14mil as a reference unit.
Furthermore, the thickness of characters of the two-dimensional code silk screen printing is 15um, the definition and the silk screen printing technological capacity are guaranteed, and the two-dimensional code content is automatically generated.
Furthermore, the period of the two-dimensional code on the process side needs to be consistent with the period in the board, the content of the two-dimensional code comprises a customer model, a code, a period and the like, the two-dimensional code is designed in a format of model + period + code, the two-dimensional code is matched with the period change, the period is designed in the board and is displayed in a digital form, the two-dimensional code is designed on the process side or a baffle, after the silk screen printing is finished, the two-dimensional code scanning process is carried out, and the displayed content period needs to be consistent with the period in the board.
Furthermore, the logic of the anti-mixing plate comparison system is set, and anti-mixing plate comparison is carried out. After the silk screen printing two-dimensional code is finished, a recognizable two-dimensional code scanning gun is used for scanning, display contents need to be presented on a visual page, the display contents have a comparison function, the two-dimensional code of each period of each material number has design contents, and the two-dimensional codes in different periods can prompt on the page to avoid mixed boards.
Further, the anti-aliasing system logic comprises:
entering content: scanning the content of the first two-dimension code, and clicking and storing after confirmation;
and (4) comparison content: if the input content is the reference, the input content passes the reference, otherwise, the input content is prompted.
Further, the anti-mixing plate comparison comprises the following steps:
s1, receiving a two-dimension code flow board to be walked, and scanning a first board by a staff to input the content of the two-dimension code of the first board;
s2, checking whether the recorded two-dimensional code content is accurate by the staff, and storing the OK; and S3, scanning in sequence, comparing the contents of the input first board, if the contents are consistent, passing, and otherwise prompting.
In the invention, no matter what format and model, comparison and error prevention can be carried out as long as the input content is checked to be correct.
Example 3
A method for realizing PCB anti-mixing based on two-dimensional code is characterized by comprising the following steps:
A. two-dimensional code silk-screen printing;
B. keeping the period of the two-dimension code of the technical edge consistent with the period in the plate;
C. and setting the logic of the anti-mixing plate comparison system, and performing anti-mixing plate comparison.
Furthermore, the size of the two-dimensional code is 7 × 7mm, and the two-dimensional code is spliced by taking the width of 14mil as a reference unit.
Furthermore, the thickness of characters of the two-dimensional code silk screen printing is 20um, the definition and the silk screen printing technological capacity are guaranteed, and the two-dimensional code content is automatically generated.
Furthermore, the period of the two-dimensional code on the process side needs to be consistent with the period in the board, the content of the two-dimensional code comprises a customer model, a code, a period and the like, the two-dimensional code is designed in a format of model + period + code, the two-dimensional code is matched with the period change, the period is designed in the board and is displayed in a digital form, the two-dimensional code is designed on the process side or a baffle, after the silk screen printing is finished, the two-dimensional code scanning process is carried out, and the displayed content period needs to be consistent with the period in the board.
Furthermore, the logic of the anti-mixing plate comparison system is set, and anti-mixing plate comparison is carried out. After the silk screen printing two-dimensional code is finished, a recognizable two-dimensional code scanning gun is used for scanning, display contents need to be presented on a visual page, the display contents have a comparison function, the two-dimensional code of each period of each material number has design contents, and the two-dimensional codes in different periods can prompt on the page to avoid mixed boards.
Further, the anti-aliasing system logic comprises:
entering content: scanning the content of the first two-dimension code, and clicking and storing after confirmation;
and (4) comparison content: if the input content is the reference, the input content passes the reference, otherwise, the input content is prompted.
Further, the anti-mixing plate comparison comprises the following steps:
s1, receiving a two-dimension code flow board to be walked, and scanning a first board by a staff to input the content of the two-dimension code of the first board;
s2, checking whether the recorded two-dimensional code content is accurate by the staff, and storing the OK; and S3, scanning in sequence, comparing the contents of the input first board, if the contents are consistent, passing, and otherwise prompting.
In the invention, no matter what format and model, comparison and error prevention can be carried out as long as the input content is checked to be correct.
The invention realizes the smooth circulation of producing a large number of plates, avoids mistakes, reduces customer complaints, saves labor cost waste and brings considerable economic benefits to enterprises. By the method, the following economic benefits can be obtained by measuring and calculating according to the actual production condition of an enterprise: the comprehensive month saves more than 6.5 ten thousand yuan, and each year can save 6.5 x 12=78 ten thousand yuan.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art in the field.
Claims (7)
1. A method for realizing PCB anti-mixing based on two-dimensional code is characterized by comprising the following steps:
A. two-dimensional code silk-screen printing;
B. keeping the period of the two-dimension code of the technical edge consistent with the period in the plate;
C. and setting the logic of the anti-mixing plate comparison system, and performing anti-mixing plate comparison.
2. The method for realizing PCB anti-mixing based on the two-dimensional code as claimed in claim 1, wherein in the step A, the two-dimensional code is 5 x 5-7 x 7mm in size and is spliced by taking 14mil width as a reference unit.
3. The method for realizing PCB anti-mixing based on the two-dimensional code as claimed in claim 2, wherein the thickness of the characters of the two-dimensional code silk screen is 10-25um, and the two-dimensional code content is automatically generated.
4. The method for realizing PCB anti-mixing based on the two-dimension code as claimed in claim 1, wherein in the step B, the two-dimension code is designed in a format of model + period + code, the two-dimension code is matched with the period change, the design period in the board is displayed in a digital form, the two-dimension code is designed on a process edge or a baffle, after the silk-screen printing is completed, the two-dimension code scanning process is carried out, and the displayed content period is required to be consistent with the period in the board.
5. The method for realizing PCB anti-mixing based on the two-dimension code as claimed in claim 1, wherein in the step C, after the silk printing of the two-dimension code is finished, a recognizable two-dimension code scanning gun is used for scanning, the display content is displayed on a visual page and has a comparison function, the two-dimension code of each material number in each period has design content, and the two-dimension code of each material number in each period is prompted on the page if the periods are different, so that the occurrence of mixing is avoided.
6. The method for realizing PCB anti-aliasing based on two-dimension code of claim 5, wherein the anti-aliasing comparing system logic comprises:
entering content: scanning the content of the first two-dimension code, and clicking and storing after confirmation;
and (4) comparison content: if the input content is the reference, the input content passes the reference, otherwise, the input content is prompted.
7. The method for realizing PCB anti-mixing based on the two-dimensional code as claimed in claim 6, wherein the anti-mixing comparison comprises the following steps:
s1, receiving a two-dimension code flow board to be walked, and scanning a first board by a staff to input the content of the two-dimension code of the first board; s2, checking whether the recorded two-dimensional code content is accurate by the staff, and storing the OK; and S3, scanning in sequence, comparing the contents of the input first board, if the contents are consistent, passing, and otherwise prompting.
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| CN202110715144.5A CN113370687A (en) | 2021-06-26 | 2021-06-26 | Method for realizing PCB anti-mixing based on two-dimensional code |
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