CN111634132A - Magnetron ceramic metallization coating control method and application system thereof - Google Patents

Magnetron ceramic metallization coating control method and application system thereof Download PDF

Info

Publication number
CN111634132A
CN111634132A CN202010335695.4A CN202010335695A CN111634132A CN 111634132 A CN111634132 A CN 111634132A CN 202010335695 A CN202010335695 A CN 202010335695A CN 111634132 A CN111634132 A CN 111634132A
Authority
CN
China
Prior art keywords
scraper
angle
slurry
screen
metallization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010335695.4A
Other languages
Chinese (zh)
Other versions
CN111634132B (en
Inventor
方豪杰
贺亦文
张晓云
曾雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Meicheng Ceramic Technology Co ltd
Original Assignee
Hunan Meicheng Ceramic Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Meicheng Ceramic Technology Co ltd filed Critical Hunan Meicheng Ceramic Technology Co ltd
Priority to CN202010335695.4A priority Critical patent/CN111634132B/en
Publication of CN111634132A publication Critical patent/CN111634132A/en
Application granted granted Critical
Publication of CN111634132B publication Critical patent/CN111634132B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • B41M1/125—Stencil printing; Silk-screen printing using a field of force, e.g. an electrostatic field, or an electric current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0872—Machines for printing on articles having essentially cylindrical surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/40—Inking units
    • B41F15/42—Inking units comprising squeegees or doctors
    • B41F15/423—Driving means for reciprocating squeegees
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control
    • 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
    • B41M1/22—Metallic printing; Printing with powdered inks
    • 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
    • B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Ceramic Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Coating Apparatus (AREA)

Abstract

The invention discloses a magnetron ceramic metallization coating control method, which comprises the following steps: arranging the ceramic bodies into a rectangular matrix; the scraper plate transversely moves on the silk screen; after the scraper plate advances for a certain distance on the silk screen, calculating the mass of the residual metalized slurry on the silk screen; before the quality of the residual metalized slurry on the screen can not reach the thickness range of the target metal layer, the control unit compares the thickness of the target metal layer with the quality of the residual metalized slurry, compares data in the database, and adjusts the angle between the scraper and the screen to ensure the stable thickness of the metal layer.

Description

Magnetron ceramic metallization coating control method and application system thereof
Technical Field
The invention relates to the technical field of ceramic metallization, in particular to a magnetron ceramic metallization coating control method and an application system thereof.
Background
A magnetron is an electric vacuum device used to generate microwave energy. Essentially a diode placed in a constant magnetic field. Under the control of the constant magnetic field and the constant electric field which are vertical to each other, electrons in the tube interact with the high-frequency electromagnetic field to convert energy obtained from the constant electric field into microwave energy, thereby achieving the purpose of generating the microwave energy.
The ceramic body in the magnetron is used for electrically connecting a fixed lead and the lead, one end of the ceramic body is provided with a metallization layer for wiring of the lead, and the thickness of the metallization layer influences the quality of the electric connection of a wiring point. The existing ceramic metallization paste coating method which is commonly used is screen printing, in the process of linear screen printing, because of the reduction of the quality of later-stage metallization liquid, less slurry can pass through a leakage hole of a screen stencil, so that the metallization layer of a ceramic body arranged behind is too thin, the requirement of a magnetron ceramic terminal on the thickness of the metallization layer cannot be met, and the connection quality of the magnetron is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a magnetron ceramic metallization coating control method and an application system thereof, which can ensure the uniformity of the thickness of a magnetron ceramic metallization layer.
In order to achieve the purpose, the invention adopts the following technical scheme:
a magnetron ceramic metallization coating control method comprises the following steps:
s1: arranging ceramic bodies into a rectangular matrix, wherein the center distance of the ceramic bodies is L;
s2: according to the target thickness of the metal layer of the ceramic body, adjusting the angle of a scraper, placing the metalized slurry on a silk screen, and enabling the scraper to move transversely on the silk screen;
s3: after the scraper plate advances for L distance on the silk screen, calculating the mass of the residual metalized slurry on the silk screen;
s4: before the quality of the residual metallization slurry on the screen can not reach the target metal layer thickness range, the control unit compares the target metal layer thickness with the quality of the residual metallization slurry, compares the data in the database, and adjusts the angle between the scraper and the screen to be small to ensure the stable thickness of the metal layer;
s5: and after the angle of the scraper is adjusted, the scraper continues to linearly advance for an L distance, the mass of the residual metalized slurry on the screen is calculated, then the angle between the scraper and the screen is adjusted, and the operation is circulated in such a way, so that the metalized layer with uniform thickness is finally obtained.
The method changes the pressure of the scraper on the metalized slurry on the template by adjusting the angle between the scraper and the silk screen, so that the proper pressure is kept under the condition that the residual quantity of the metalized slurry is gradually reduced, the slurry inlet quantity of the hollow part of the template is uniform, and the thickness uniformity of the sintered ceramic metal layer is kept.
Based on the magnetron ceramic metallization coating control method, the invention also provides a magnetron ceramic metallization coating system, which comprises the following steps:
the control unit is used for controlling the operation of the whole system;
a calculation unit: the quality of the residual metalized slurry on the silk screen is obtained by calculating the L number of the scraper plate walking and comparing the L number with the data of the metalized slurry database;
metallization slurry database: the device is used for storing the quality data of the metalized slurry in the moving process of the silk screen at different angles between the scraper and the silk screen and the thickness of the metal layer corresponding to the sintered metal layer;
a drive unit: the device is used for driving the scraper to move transversely and adjusting the angle of the scraper;
the induction unit: the device is used for sensing the current of the metal sheet under a specific angle between the scraper and the silk screen;
a comparison unit: the device is used for comparing the current value of the metal sheet in the angle of the existing scraper with the corresponding current value in the angle database;
an angle database: the device is used for storing the induction current values of the metal sheets in the scraper when the scraper and the silk screen are at different angles and positions;
an electromagnetic block: for applying a regularly varying magnetic field to the sensing foil.
Further, the method for obtaining the metallization slurry database comprises the following steps:
a1, attaching a template material matched with the target metal ring of the ceramic body on the silk screen;
a2 weight percent of G1The metalized slurry is placed on the template, and the angle between the scraper and the surface of the silk screen is set to be R1Linearly driving the scraper to move for an L distance on the silk screen;
a3 collecting and metering the residual metallization slurry with the mass G2；
A4 weight percent of G2Placing the metalized slurry on a template, keeping the angle between a scraper and the surface of the screen unchanged, linearly driving the scraper to travel for an L distance on the screen, collecting and metering the residual metalized slurry, wherein the mass of the residual metalized slurry is G3；
A5 repeating the above steps to obtain a scraper and a screen surface R1Metallization slurry quality group under angle { G1、G2、...、Gn}R1After sintering, the corresponding set of metal layer thicknesses of the ceramic end faces is measured, { D1、D2、...、Dn}R1；
A6 setting the angle of the scraper and the surface of the silk screen as R2、R3、...、RnAnd repeating the steps A1-A5 to obtain the metalized slurry quality group { G ] under the corresponding angle of the scraper1、G2、...、Gn}R2、{G1、G2、...、Gn}R3、{G1、G2、...、Gn}RnAnd thickness set of metal layers { D1、D2、...、Dn}R2、{D1、D2、...、Dn}R3、...、{D1、D2、...、Dn}Rn；
A7, recording the mass group of the metalized slurry obtained under different angles of the scraper and the surface of the screen and the thickness of the metal layer to form a metalized slurry database.
In order to optimize the data of the metalized slurry database, the method for obtaining the metalized slurry database further comprises the following steps:
b5 in step A5, find the stable thickness set { D } in the metal layer thickness set, wherein the thickness difference is the target error thicknessx、Dx+1、...、Dx+mSet of stable thickness for metallization slurry quality set { G }x、Gx+1、...、Gx+mIs a scraper R1Liquid pressure stabilizing mass group M under angle1；
B6 in step A6, the same manner as in B5 was used to obtain the liquid pressure stable mass group M at the corresponding angle of the blade2、M3、...、Mn；
B7 Stable thickness group and Stable quality group M obtained under different angles of the scraper and the surface of the silk screen2、M3、...、MnAnd recording the data in a metallization slurry database.
Through the steps, the stable thickness group and the stable quality group M are stored in the metallization slurry database2、M3、...、MnWhen the mass of the residual slurry on the screen is a numerical value in the stable mass group and the corresponding stable thickness group is the thickness of the target metal layer, the data in the stable mass group of the metalized slurry database can be directly referred for comparison when the screen runs for L distance behind the scraper, the angle of the scraper does not need to be adjusted, and the frequency of scraper adjustment can be reduced.
Preferably, the target error thickness in the step of B5 may be 1 μm to 5 μm.
Preferably, the starting point of the distance L is located at the front section of one metal ring, and the end point of the distance L is located between the rear end of the corresponding metal ring and the front end of the next metal ring, so that the residual slurry on the wire mesh can be conveniently collected.
In order to facilitate angle control, the magnetron ceramic metallization slurry coating system further comprises an angle database, and the method for obtaining the angle database comprises the following steps:
c1: applying a regular variable magnetic field on the device, arranging a metal sheet in the scraper, and electrically connecting the metal sheet with the current detection unit;
c2: adjusting the angle between the axis of the scraper and the silk screen at the initial position, and recording the current value of the corresponding angle of the metal sheet in the scraper;
c3: and when the scraper passes through every L distance, adjusting the angle between the axis of the scraper and the silk screen, and recording the current value of the corresponding angle of the metal sheet in the scraper.
C4: and forming an angle section database of the scraper angle and the induction metal sheet in the scraper.
Preferably, the changing magnetic field in the step C1 is a magnetic field with alternating magnetic poles, the changing magnetic field is at least two kinds of magnetic fields, the two kinds of magnetic fields are transversely and alternately arranged, and the width of the magnetic field is smaller than the minimum projection value of the metal sheet on the screen, so that the induction values of the position and the angle of the induction metal sheet inside the scraper can be accurately obtained.
The magnetron ceramic metallization slurry coating system also comprises a mechanical part, wherein the mechanical part comprises a screen, a template, a support piece and a scraper, the template is arranged on the screen, the support piece is positioned below the screen and used for supporting a ceramic body, the scraper is positioned above the screen, an induction metal sheet is arranged inside the scraper, the induction metal sheet is parallel to the contact surface of the scraper and the metallization slurry, an annular leak hole matched with a metal ring is formed in the template and used for leaking the slurry on the screen to form a metallization layer, and the center distance of the annular leak hole is L distance; and the upper end of the scraper is provided with a driving component for driving the scraper to move and change the angle.
Preferably, the driving assembly comprises a transverse sliding block, a longitudinal cylinder and a rotating motor, the lower end of the transverse sliding block is fixedly provided with the longitudinal cylinder, the lower end of the longitudinal cylinder is fixedly connected with the rotating motor, the output end of the rotating motor is fixedly connected with the upper end of the scraper, the transverse sliding block is provided with a transverse linear driver and used for driving the scraper to move transversely and horizontally, the longitudinal cylinder is used for driving the scraper to move longitudinally up and down, the rotating motor is used for driving the scraper to rotate, and the driving piece drives the scraper to move transversely and adjust the angle.
The working principle of the magnetron ceramic metallization slurry coating system is as follows: the driving assembly drives the lower end of the scraper to contact with the upper surface of the stencil, the driving assembly is located at the initial position of one side of the screen, metalized slurry is placed on the stencil and the screen, then the driving assembly drives the scraper to move transversely, when the scraper moves for an L distance, the calculating unit calculates the mass of the residual metalized slurry on the screen, data of a metalized slurry database are compared, the mass of the residual metalized slurry on the screen is obtained, meanwhile, the sensing unit senses the current of a metal sheet under a specific angle between the scraper and the screen, and the comparing unit compares the current value of the metal sheet in the angle of the existing scraper with the corresponding current value in the angle database to obtain the angle of the scraper;
according to the mass of the residual metalized slurry on the screen and the current angle of the scraper, firstly, a judging subunit in the calculating unit judges whether the mass of the residual metalized slurry is in a metalized slurry mass group M or not, and the corresponding stable thickness group is the thickness of a target metal layer, if so, the scraper continues to advance without adjusting the angle of the scraper; if not, comparing the metalized slurry database, comparing the corresponding residual metalized slurry quality for obtaining the thickness of the target metal layer, finding the angle of the scraper plate which moves for the next L distance, controlling the mechanical part by a controller of the control unit, adjusting the angle of the scraper plate, finding the current value of the induction metal sheet corresponding to the angle and the position of the scraper plate from the angle database by the comparison unit, driving the driving assembly by the driving unit, adjusting the angle of the scraper plate, enabling the current value of the induction metal sheet to be the same as that in the database, and finishing the adjustment of the angle position of the scraper plate.
The squeegee can continue to advance for a distance of L, and the above calculation is repeated so as to obtain a metalized layer with a uniform metal layer thickness.
The invention has the beneficial effects that: the magnetron ceramic metallization paste coating control method ensures that the thickness of a metallization layer at one end of the magnetron ceramic is uniform by adjusting the angle of the scraper in the ceramic body screen printing, wherein in order to reduce the adjustment of the angle of the scraper, a metallization slurry quality group is arranged in a metallization slurry database, thereby reducing the frequency of scraper adjustment in an application system and improving the operation efficiency.
In conclusion, the magnetron ceramic metallization coating control method can ensure the uniform thickness of the magnetron ceramic metallization layer and improve the stability of electrical connection in the magnetron, and meanwhile, the magnetron ceramic metallization coating system corresponding to the magnetron ceramic metallization coating control method is provided with the metallization slurry database and the scraper angle database, so that the operation efficiency is high.
Drawings
FIG. 1 is a diagram of the steps of the magnetron ceramic metallization slurry coating control method;
FIG. 2 is a diagram of the magnetron ceramic metallization coating control system;
FIG. 3 is a diagram of the steps of a method for forming a database of metallization slurries in the magnetron ceramic metallization slurry control system;
FIG. 4 is a diagram of the method steps for stable mass set formation in the metallization slurry database in the magnetron ceramic metallization slurry control system;
FIG. 5 is a diagram of the method steps taken by the angle database in the magnetron ceramic metallization pasting control system;
FIG. 6 is a schematic diagram of the structure of the mechanical part of the magnetron ceramic metallization coating slurry control system;
FIG. 7 is a schematic top view of a stencil in the mechanical portion of the magnetron ceramic metallization paste control system.
In the figure: 1. a wire mesh; 2. a template; 3. a ceramic body; 4. a squeegee; 5. a transverse slide block; 6. a longitudinal cylinder; 7. a rotating electric machine; 8. and sensing the metal sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Example 1
Referring to fig. 1, a magnetron ceramic metallization slurry coating control method comprises the following steps:
s1: arranging ceramic bodies into a rectangular matrix, wherein the center distance of the ceramic bodies is 30 mm;
s2: according to the target thickness of the metal layer of the ceramic body, adjusting the angle of a scraper, placing the metalized slurry on a silk screen, and enabling the scraper to move transversely on the silk screen;
s3: after the scraper plate advances for 30mm distance on the silk screen, calculating the mass of the residual metalized slurry on the silk screen;
s4: before the quality of the residual metallization slurry on the screen can not reach the target metal layer thickness range, the control unit compares the target metal layer thickness with the quality of the residual metallization slurry, compares the data in the database, and adjusts the angle between the scraper and the screen to be small to ensure the stable thickness of the metal layer;
s5: and after the angle of the scraper is adjusted, the scraper continues to linearly move for 30mm, the mass of the residual metalized slurry on the silk screen is calculated, then the angle between the scraper and the silk screen is adjusted, and the operation is circulated in such a way, and finally the metalized layer with uniform thickness is obtained.
The method changes the pressure of the scraper on the metalized slurry on the template by adjusting the angle between the scraper and the silk screen, so that the proper pressure is kept under the condition that the residual quantity of the metalized slurry is gradually reduced, the slurry inlet quantity of the hollow part of the template is uniform, and the thickness uniformity of the sintered ceramic metal layer is kept.
Example 2
Based on the magnetron ceramic metallization paste control method of embodiment 1, the present invention also provides a magnetron ceramic metallization paste system, referring to fig. 2, including:
the control unit is used for controlling the operation of the whole system;
a calculation unit: the quality of the residual metalized slurry on the silk screen is obtained by calculating the L number of the scraper plate walking and comparing the L number with the data of the metalized slurry database;
metallization slurry database: the device is used for storing the quality data of the metalized slurry in the moving process of the silk screen at different angles between the scraper and the silk screen and the thickness of the metal layer corresponding to the sintered metal layer;
a drive unit: the device is used for driving the scraper to move transversely and adjusting the angle of the scraper;
the induction unit: the device is used for sensing the current of the metal sheet under a specific angle between the scraper and the silk screen;
a comparison unit: the device is used for comparing the current value of the metal sheet in the angle of the existing scraper with the corresponding current value in the angle database;
an angle database: the device is used for storing the induction current values of the metal sheets in the scraper when the scraper and the silk screen are at different angles and positions;
an electromagnetic block: for applying a regularly varying magnetic field to the sensing foil.
Further, referring to fig. 3, the method for obtaining the metallization slurry database includes the following steps:
a1, attaching a template material matched with the target metal ring of the ceramic body on the silk screen;
a2 placing 100G of metalized slurry on a template, and setting the angle between a scraper and the surface of the screen to be G1The scraper is driven to move on the silk screen in a straight line for a distance of 30 mm;
a3 collecting and metering the residual metallization slurry with the mass G2；
A4 weight percent of G2Placing the metalized slurry on a template, keeping the angle between a scraper and the surface of the screen unchanged, linearly driving the scraper to travel on the screen for another 30mm distance, collecting and metering the residual metalized slurry, wherein the mass of the residual metalized slurry is G3；
A5 repeating the steps to obtain a metalized slurry quality group (G) under an angle of 90 degrees between the scraper and the surface of the screen1、G2、...、Gn}R1After sintering, the corresponding set of metal layer thicknesses of the ceramic end faces is measured, { D1、D2、...、Dn}R1；
A6, setting the angles of the scrapers and the surface of the screen to be 89 degrees, 88 degrees, 10 degrees, and repeating the steps A1-A5 to obtain the quality group of the metallization slurry under the corresponding angles of the scrapers, namely the G1、G2、...、Gn}R2、{G1、G2、...、Gn}R3、{G1、G2、...、Gn}RnAnd thickness of the metal layerDegree group { D1、D2、...、Dn}R2、{D1、D2、...、Dn}R3、...、{D1、D2、...、Dn}Rn；
A7, recording the mass group of the metalized slurry obtained under different angles of the scraper and the surface of the screen and the thickness of the metal layer to form a metalized slurry database.
Preferably, the starting point of the 30mm distance is located at the front section of one metal ring, and the end point of the 30mm distance is located between the rear end of the corresponding metal ring and the front end of the next metal ring, so that the residual slurry on the wire mesh can be collected conveniently.
In step A6, the angle R of the squeegee to the surface of the screen2、R3、...、Rn isInteger circumferential angle, and the adjustment amplitude is one degree per adjustment.
To facilitate angle control, the magnetron ceramic metallization pasting system further comprises an angle database, and with reference to fig. 5, the method of obtaining the angle database comprises the following steps:
c1: applying a regular variable magnetic field on the device, arranging a metal sheet in the scraper, and electrically connecting the metal sheet with the current detection unit;
c2: adjusting the angle between the axis of the scraper and the silk screen at the initial position, and recording the current value of the corresponding angle of the metal sheet in the scraper;
c3: and when the scraper passes a distance of 30mm, adjusting the angle between the axis of the scraper and the silk screen, and recording the current value of the corresponding angle of the metal sheet in the scraper.
C4: and forming an angle section database of the scraper angle and the induction metal sheet in the scraper.
The number of the changing magnetic fields in the step C1 is at least two, the two magnetic fields are transversely and alternately arranged, the width of the magnetic field is smaller than the minimum projection value of the metal sheet on the silk screen, and the induction value of the induction metal sheet inside the scraper can be accurately obtained.
The magnetron ceramic metallization slurry coating system also comprises a mechanical part, referring to fig. 6 and 7, wherein the mechanical part comprises a screen mesh 1, a stencil 2 provided on the screen mesh 1, a support member positioned below the screen mesh 1 and used for supporting a ceramic body 3, and a scraper 4 positioned above the screen mesh 1, an induction metal sheet 8 is arranged inside the scraper 4, the induction metal sheet 8 and the scraper 4 are parallel to the contact surface of the metallization slurry, an annular leak hole 21 matched with a metal ring is formed in the stencil 2 and used for leaking the slurry on the screen mesh 1 to form a metallization layer, and the center distance of the annular leak hole 21 is L distance; the upper end of the scraper 4 is provided with a driving component for driving the scraper 4 to move and change the angle.
Preferably, the drive assembly includes horizontal slider 5, vertical cylinder 6 and rotating electrical machines 7 the lower extreme of horizontal slider 5 is fixed and is set up vertical cylinder 6, the lower extreme fixed connection rotating electrical machines 7 of vertical cylinder 6, the upper end of the output fixed connection scraper blade 4 of rotating electrical machines 7, horizontal slider 5 disposes horizontal linear drive for drive scraper blade 4 is horizontal migration, and vertical cylinder 6 is used for driving scraper blade 4 and does vertical reciprocating, and rotating electrical machines 7 is used for driving the rotation of scraper blade 4, and above-mentioned driving piece drives scraper blade 4 and carries out lateral shifting and angular adjustment.
The working principle of the magnetron ceramic metallization slurry coating system is as follows: the driving assembly drives the lower end of a scraper 4 to contact with the upper surface of a stencil 2 and is positioned at the initial position of one side of a screen, metalized slurry is placed on the stencil 2 and the screen 1, then the driving assembly drives the scraper 4 to move transversely, when the scraper moves for a distance of 30mm, the calculating unit calculates the mass of the residual metalized slurry on the screen, and compares the data of a metalized slurry database to obtain the mass of the residual metalized slurry on the screen 1, meanwhile, the sensing unit senses the current of a metal sheet under a specific angle between the scraper 4 and the screen 1, and the comparing unit compares the current value of the metal sheet in the angle of the existing scraper with the corresponding current value in the angle database to obtain the angle of the scraper 4; comparing the metalized slurry database, wherein the metalized slurry database is used for comparing the metalized slurry database corresponding to the residual metalized slurry quality so as to obtain the thickness of the target metal layer, finding the scraper angle of the next L distance of the scraper walking, controlling the mechanical part by a controller of the control unit, adjusting the angle of the scraper 4, finding the current value of the induction metal sheet corresponding to the scraper angle and the position from the angle database by the comparison unit, driving the driving assembly by the driving unit, adjusting the scraper angle, enabling the current value of the induction metal sheet to be the same as that in the database, and finishing the adjustment of the angle and the position of the scraper.
The squeegee can be advanced further by a distance of 30mm and the above calculation repeated again to finally obtain a metallized layer having a uniform metal layer thickness.
Example 3
In order to optimize the data of the metallization slurry database, referring to fig. 4, the method for obtaining the metallization slurry database in this embodiment further includes the following steps:
b5 in step A5, find the stable thickness set { D } in the metal layer thickness set, wherein the thickness difference is the target error thicknessx、Dx+1、...、Dx+mSet of stable thickness for metallization slurry quality set { G }x、Gx+1、...、Gx+mIs a scraper R1Liquid pressure stabilizing mass group M under angle1；
B6 in step A6, the same manner as in B5 was used to obtain the liquid pressure stable mass group M at the corresponding angle of the blade2、M3、...、Mn；
B7 Stable thickness group and Stable quality group M obtained under different angles of the scraper and the surface of the silk screen2、M3、...、MnAnd recording the data in a metallization slurry database.
Through the steps, the stable thickness group and the stable quality group M are stored in the metallization slurry database2、M3、...、MnWhen the mass of the residual slurry on the screen is a numerical value in the stable mass group and the corresponding stable thickness group is the thickness of the target metal layer, the data in the stable mass group of the metalized slurry database can be directly referred for comparison when the screen runs for L distance behind the scraper, the angle of the scraper does not need to be adjusted, and the frequency of scraper adjustment can be reduced.
Further, the target error thickness in the B5 step may be 3 μm.
And the calculating unit is internally provided with a judging subunit for judging the quality of the slurry left on the silk screen and judging whether the quality of the slurry left on the silk screen is the same as that in the stable quality group of the metallized slurry database.
In this embodiment, the working principle of the magnetron ceramic metallization slurry coating system is as follows: the driving assembly drives the lower end of a scraper 4 to contact with the upper surface of a stencil 2 and is positioned at the initial position of one side of a screen, metalized slurry is placed on the stencil 2 and the screen 1, then the driving assembly drives the scraper 4 to move transversely, when the scraper moves for a distance of 30mm, the calculating unit calculates the mass of the residual metalized slurry on the screen 1 and compares the data of a metalized slurry database to obtain the mass of the residual metalized slurry on the screen 1, meanwhile, the sensing unit senses the current of a metal sheet under a specific angle between the scraper 4 and the screen 1, and the comparing unit compares the current value of the metal sheet 8 in the angle of the existing scraper 4 with the corresponding current value in an angle database to obtain the angle of the scraper 4;
according to the mass of the residual metalized slurry on the screen 1 and the current angle of the scraper 4, firstly, a judging subunit in the calculating unit judges whether the mass of the residual metalized slurry is in a metalized slurry mass group M or not, and the corresponding stable thickness group is the thickness of a target metal layer, if so, the scraper 4 continues to advance without adjusting the angle of the scraper; if not, comparing the metalized slurry database, comparing the corresponding residual metalized slurry quality for obtaining the thickness of the target metal layer, finding the angle of the scraper plate which moves for the next L distance, controlling the mechanical part by a controller of the control unit, adjusting the angle of the scraper plate 4, finding the current value of the induction metal sheet corresponding to the angle and the position of the scraper plate from the angle database by the comparison unit, driving the driving assembly by the driving unit, adjusting the angle of the scraper plate 4, enabling the current value of the induction metal sheet 8 to be the same as that in the database, and finishing the adjustment of the angle position of the scraper plate.
The squeegee 4 can be advanced further by a distance of 30mm and the above calculation repeated again, resulting in a metallised layer with a uniform thickness of the metal layer.
The invention has the beneficial effects that: the magnetron ceramic metallization paste coating control method ensures that the thickness of a metallization layer at one end of the magnetron ceramic is uniform by adjusting the angle of the scraper in the ceramic body screen printing, wherein in order to reduce the adjustment of the angle of the scraper, a metallization slurry quality group is arranged in a metallization slurry database, thereby reducing the frequency of scraper adjustment in an application system and improving the operation efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. A magnetron ceramic metallization coating control method is characterized by comprising the following steps:
s1: arranging ceramic bodies into a rectangular matrix, wherein the center distance of the ceramic bodies is L;
s2: according to the target thickness of the metal layer of the ceramic body, adjusting the angle of a scraper, placing the metalized slurry on a silk screen, and enabling the scraper to move transversely on the silk screen;
s3: after the scraper plate advances for L distance on the silk screen, calculating the mass of the residual metalized slurry on the silk screen;
s4: before the quality of the residual metallization slurry on the screen can not reach the target metal layer thickness range, the control unit compares the target metal layer thickness with the quality of the residual metallization slurry, compares the data in the database, and adjusts the angle between the scraper and the screen to be small to ensure the stable thickness of the metal layer;
s5: and after the angle of the scraper is adjusted, the scraper continues to linearly advance for an L distance, the mass of the residual metalized slurry on the screen is calculated, then the angle between the scraper and the screen is adjusted, and the operation is circulated in such a way, so that the metalized layer with uniform thickness is finally obtained.
2. A magnetron ceramic metallization paste system based on the magnetron ceramic metallization paste control method of claim 1, characterized by comprising:
the control unit is used for controlling the operation of the whole system;
a calculation unit: the quality of the residual metalized slurry on the silk screen is obtained by calculating the L number of the scraper plate walking and comparing the L number with the data of the metalized slurry database;
metallization slurry database: the device is used for storing the quality data of the metalized slurry in the moving process of the silk screen at different angles between the scraper and the silk screen and the thickness of the metal layer corresponding to the sintered metal layer;
a drive unit: the device is used for driving the scraper to move transversely and adjusting the angle of the scraper;
the induction unit: the device is used for sensing the current of the metal sheet under a specific angle between the scraper and the silk screen;
a comparison unit: the device is used for comparing the current value of the metal sheet in the angle of the existing scraper with the corresponding current value in the angle database;
an angle database: the device is used for storing the induction current values of the metal sheets in the scraper when the scraper and the silk screen are at different angles and positions;
an electromagnetic block: for applying a regularly varying magnetic field to the sensing foil.
3. The magnetron ceramic metallization pasting system of claim 2, wherein the metallization slurry database retrieval method comprises the steps of:
a1, attaching a template material matched with the target metal ring of the ceramic body on the silk screen;
a2 weight percent of G1The metalized slurry is placed on the template, and the angle between the scraper and the surface of the silk screen is set to be R1Linearly driving the scraper to move for an L distance on the silk screen;
a3 collecting and metering the residual metallization slurry with the mass G2；
A4 weight percent of G2Placing the metalized slurry on a template, keeping the angle between a scraper and the surface of the screen unchanged, linearly driving the scraper to travel for an L distance on the screen, collecting and metering the residual metalized slurry, wherein the mass of the residual metalized slurry is G3；
A5 repeating the above steps to obtain a scraper and a screen surface R1Metallization slurry quality group under angle { G1、G2、...、Gn}R1After the sintering, the mixture is sintered,measuring the corresponding set of metal layer thicknesses of the ceramic end faces, { D1、D2、...、Dn}R1；
A6 setting the angle of the scraper and the surface of the silk screen as R2、R3、...、RnAnd repeating the steps A1-A5 to obtain the metalized slurry quality group { G ] under the corresponding angle of the scraper1、G2、...、Gn}R2、{G1、G2、...、Gn}R3、{G1、G2、...、Gn}RnAnd { D1、D2、...、Dn}R2、{D1、D2、...、Dn}R3、...、{D1、D2、...、Dn}Rn；
A7, recording the mass group of the metalized slurry obtained under different angles of the scraper and the surface of the screen and the thickness of the metal layer to form a metalized slurry database.
4. The magnetron ceramic metallization pasting system of claim 3, wherein said metallization slurry database retrieval method further comprises the steps of:
b5 in step A5, find the stable thickness set { D } in the metal layer thickness set, wherein the thickness difference is the target error thicknessx、Dx+1、...、Dx+mSet of stable thickness for metallization slurry quality set { G }x、Gx+1、...、Gx+mIs a scraper R1Liquid pressure stabilizing mass group M under angle1；
B6 in step A6, the same manner as in B5 was used to obtain the liquid pressure stable mass group M at the corresponding angle of the blade2、M3、...、Mn；
B7 Stable thickness group and Stable quality group M obtained under different angles of the scraper and the surface of the silk screen2、M3、...、MnAnd recording the data in a metallization slurry database.
5. The magnetron ceramic metallization pasting system of claim 4, wherein the starting point of said L distance is located at a forward section of one metal ring and the ending point of said L distance is located between a rearward end of the respective metal ring and a forward end of the next metal ring.
6. Magnetron ceramic metallization pasting system according to claim 2 or 4, wherein said angle database derived method comprises the steps of:
c1: applying a regular variable magnetic field on the device, arranging a metal sheet in the scraper, and electrically connecting the metal sheet with the current detection unit;
c2: adjusting the angle between the axis of the scraper and the silk screen at the initial position, and recording the current value of the corresponding angle of the metal sheet in the scraper;
c3: and when the scraper passes through every L distance, adjusting the angle between the axis of the scraper and the silk screen, and recording the current value of the corresponding angle of the metal sheet in the scraper.
C4: and forming a database of the angle of the scraper and the angle section of the metal sheet in the scraper.
7. The magnetron ceramic metallization pasting system of claim 5, wherein said varying magnetic field of step C1 is at least two, and two of said magnetic fields are arranged alternately in the transverse direction, and the width of said magnetic field is smaller than the minimum projection value of the metal sheet on the screen.
8. The magnetron ceramic metallization pasting system according to claim 5, characterized by further comprising a mechanical part, wherein the mechanical part comprises a screen (1), a stencil (2) provided on the screen (1), a support member below the screen (1) for supporting the ceramic body (3), and a squeegee (4) above the screen (1), wherein the squeegee (4) is internally provided with a sensing metal sheet (8), and the sensing metal sheet (8) and the squeegee (4) are parallel to the contact surface of the metallization paste;
and a driving component for driving the scraper (4) to move and change the angle is arranged at the upper end of the scraper (4).
9. The magnetron ceramic metallization coating system according to claim 7, wherein the driving assembly comprises a transverse sliding block (5), a longitudinal cylinder (6) and a rotating motor (7), the lower end of the transverse sliding block (5) is fixedly provided with the longitudinal cylinder (6), the lower end of the longitudinal cylinder (6) is fixedly connected with the rotating motor (7), and the output end of the rotating motor (7) is fixedly connected with the upper end of the scraper (4).
CN202010335695.4A 2020-04-25 2020-04-25 Magnetron ceramic metallization coating control method and application system thereof Active CN111634132B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010335695.4A CN111634132B (en) 2020-04-25 2020-04-25 Magnetron ceramic metallization coating control method and application system thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010335695.4A CN111634132B (en) 2020-04-25 2020-04-25 Magnetron ceramic metallization coating control method and application system thereof

Publications (2)

Publication Number Publication Date
CN111634132A true CN111634132A (en) 2020-09-08
CN111634132B CN111634132B (en) 2020-12-11

Family

ID=72324877

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010335695.4A Active CN111634132B (en) 2020-04-25 2020-04-25 Magnetron ceramic metallization coating control method and application system thereof

Country Status (1)

Country Link
CN (1) CN111634132B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557564A (en) * 1978-06-30 1980-01-19 Sumitomo Precision Prod Co Ltd Ozonizer
CN1887813A (en) * 2006-07-16 2007-01-03 常熟市银洋陶瓷器件有限公司 Ceramic metallizing process
CN102490454A (en) * 2011-12-12 2012-06-13 孝感市汉达电子元件有限责任公司 Automatic plane screen paste printing technology for metalizing ceramic discharge tube
CN103187316A (en) * 2013-03-12 2013-07-03 江苏省宜兴电子器件总厂 Hole wall metalizing process during production of ceramic shells
CN103481642A (en) * 2013-10-14 2014-01-01 湖南省新化县鑫星电子陶瓷有限责任公司 Precise automatic press for electronic ceramics
CN106966760A (en) * 2017-03-27 2017-07-21 无锡康伟工程陶瓷有限公司 A kind of effective ceramic metallization process of vacuum switch
CN110981549A (en) * 2019-12-09 2020-04-10 浙江安力能源有限公司 Production process of alumina ceramic

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557564A (en) * 1978-06-30 1980-01-19 Sumitomo Precision Prod Co Ltd Ozonizer
CN1887813A (en) * 2006-07-16 2007-01-03 常熟市银洋陶瓷器件有限公司 Ceramic metallizing process
CN102490454A (en) * 2011-12-12 2012-06-13 孝感市汉达电子元件有限责任公司 Automatic plane screen paste printing technology for metalizing ceramic discharge tube
CN103187316A (en) * 2013-03-12 2013-07-03 江苏省宜兴电子器件总厂 Hole wall metalizing process during production of ceramic shells
CN103481642A (en) * 2013-10-14 2014-01-01 湖南省新化县鑫星电子陶瓷有限责任公司 Precise automatic press for electronic ceramics
CN106966760A (en) * 2017-03-27 2017-07-21 无锡康伟工程陶瓷有限公司 A kind of effective ceramic metallization process of vacuum switch
CN110981549A (en) * 2019-12-09 2020-04-10 浙江安力能源有限公司 Production process of alumina ceramic

Also Published As

Publication number Publication date
CN111634132B (en) 2020-12-11

Similar Documents

Publication Publication Date Title
CN203864162U (en) Devices for conducting silk-screen printing on base plate for production of solar cell and solar cell production device
CN109041563B (en) Method for manufacturing flexible transparent electromagnetic shielding film by using 3D printing
US20040050689A1 (en) Target comprising thickness profiling for an rf magnetron
GB2567992A (en) Device and method for multi-potential liquid-sucking eletrodeposition 3D printing
US4102768A (en) Metal oxide coatings
CN111634132B (en) Magnetron ceramic metallization coating control method and application system thereof
CN107532290A (en) For the method for the substrate for producing coating
CN102644056A (en) Magnetron sputtering device used for thin film solar cell and control system thereof
JP2014066673A (en) Rate sensor, linear source, and vapor depositing apparatus
CN101654770B (en) Production process for preparing indium tin oxide conductive film on flexible base material
TWI403603B (en) Magnetron sputtering apparatus
CN106001808B (en) Magnetoelectricity coordinated type electrochemical machining gap automatic feedback control device and application method
CN1965612A (en) Organic material deposition apparatus and deposition method
CN209039621U (en) Electroplanting device and its anode assemblies
CN111634108B (en) Magnetron ceramic metallization coating system and device
CN109972102A (en) Spattering filming device and spatter film forming method
CN210945767U (en) Magnetron sputtering coating device
CN109306457A (en) High-frequency sputtering device and high-frequency sputtering method
WO2010090197A1 (en) Object coated with transparent conductive film and process for producing same
US4120771A (en) Device for manufacturing substantially flat dies
CN112683961A (en) Gas sensor and method for manufacturing gas-sensitive film thereof
US20070077366A1 (en) Plasma doping method and plasma doping apparatus for performing the same
CN109158719B (en) A kind of electrochemical micromachining device of electrostatically actuated supplementary feeding
CN116083844A (en) Attenuator preparation method and system
Yang et al. Localized Ni deposition improved by saccharin sodium in the intermittent MAGE process

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A control method of magnetron ceramic metallization slurry and its application system

Effective date of registration: 20210610

Granted publication date: 20201211

Pledgee: Xinhua sub branch of Bank of Changsha Co.,Ltd.

Pledgor: HUNAN MEICHENG CERAMIC TECHNOLOGY Co.,Ltd.

Registration number: Y2021980004613