CN111766417B - Template burning and engraving equipment for guide plate MEMS probe structure - Google Patents
Template burning and engraving equipment for guide plate MEMS probe structure Download PDFInfo
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- CN111766417B CN111766417B CN202010816386.9A CN202010816386A CN111766417B CN 111766417 B CN111766417 B CN 111766417B CN 202010816386 A CN202010816386 A CN 202010816386A CN 111766417 B CN111766417 B CN 111766417B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R3/00—Apparatus or processes specially adapted for the manufacture or maintenance of measuring instruments, e.g. of probe tips
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07314—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card the body of the probe being perpendicular to test object, e.g. bed of nails or probe with bump contacts on a rigid support
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2886—Features relating to contacting the IC under test, e.g. probe heads; chucks
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Leads Or Probes (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
The invention relates to template burning and engraving equipment for a guide plate MEMS probe structure, belonging to the technical field of IC manufacturing industry; the device is sequentially provided with a light source, a pinhole, a collimating mirror, an x-direction slit expansion plate, a y-direction slit expansion plate, a first prism, a plane reflector, a second prism, a first image sensor, a controller and a laser array along the light propagation direction; the invention discloses a template burning device for a guide plate MEMS probe structure, and also discloses a brand new manufacturing process of an MEMS probe card.
Description
Technical Field
The invention discloses template burning and engraving equipment for a guide plate MEMS (micro-electromechanical system) probe structure, belongs to the technical field of IC (integrated circuit) manufacturing industry, and particularly relates to manufacturing of a micro-electromechanical system, testing of a semiconductor bare chip and related key technologies.
Background
The probe card is an important technology in the chip manufacturing process, before the chip is packaged, the probe on the probe card is directly contacted with the welding pad or the lug on the chip, the chip signal is led out, and then the automatic measurement is realized by matching with a peripheral test instrument and software control, so that the defective product is screened out, and the product yield is ensured.
With the development of micro-electro-mechanical systems (MEMS) technology, the size of a chip is smaller and smaller, and reaches millimeter level, and the integration level inside the chip is higher and higher, and reaches micron level, even submicron level, which requires the volume of a probe card to be reduced along with the probe, so that the probe manufacturing faces new challenges.
With respect to probe card manufacturing, a number of prior art techniques have been disclosed, which in chronological order, come in sequence, including:
02100980.5 wafer level probe card and method of making the same
03802632.5 Probe card and method for manufacturing the same
200580041495.1 manufacturing method of probe card including detecting probe
200580049139.4 Probe card and method of manufacturing the same
200680009115.0 Probe card and method of manufacturing the same
200680027726.8 method and apparatus for manufacturing probe card
200680031627.7 Probe card and method of manufacturing the same
200610103270.0 manufacturing method of probe card
200710110928.5 Probe card for testing and manufacturing method thereof
200710162691.5A method for manufacturing conductive film, structure thereof, and probe card with the conductive film
200710306120.4 manufacturing method of probe card
200810088590.2 manufacturing method and device for probe card
200810099307.6 Probe card and method of manufacturing the same
200910207279.X probe card manufacturing method comprising detection probe, probe card and probe card inspection system
201010000429.2A microprobe structure and its manufacturing method
201010551930.8 Probe card, method of manufacturing the same, and method of testing semiconductor device
201010602334.8 Probe card Structure and method of assembling the same
201110229503.2 Probe card and its manufacturing method
201220520534.3 Probe card mounting Table and Probe measuring device
201310303035.8 Probe card and method of manufacturing the same
201410262345.4 Probe card and method of manufacturing the same
201410328012.7 Board for Probe card, method of manufacturing the same, and Probe card
201510543596.4 Integrated Circuit Probe card, method of manufacturing the same, and apparatus and method for inspecting the Probe card
201510929670.6 Probe card and method of manufacturing the same
201710242941.X guide plate for probe card and method of manufacturing the guide plate for probe card
201711042258.8 Probe for Probe card and method of manufacturing the same
201810863816.5 Probe card, testing apparatus including the same, and related manufacturing method
201810871834.8 method for manufacturing vertical probe card and silicon substrate structure
201880030578.8 method for manufacturing multi-layer structure of probe card for testing equipment of electronic device
201910435481.1 space transformer, probe card and manufacturing method thereof
201910781444.6 apparatus for probe card manufacturing, inspection and maintenance and method of using the same
201911021188.7 guide plate for probe card, method for manufacturing the same, and probe card provided with the same
Therefore, from the beginning of the new century to the present, various national scholars and various enterprises make extensive trials and innovations in probe card manufacturing, and strive for probe cards to meet the test requirements of semiconductor devices along with the development of semiconductor technology.
Among these techniques, there are some for manufacturing a probe card with a larger size, and some for avoiding needle burning during a test, and although there are also techniques for manufacturing a probe card with a higher integration, it is still impossible to realize a probe card with a probe size in a sub-micron order. The reason is that, for the probe with the size of submicron order, the bending of the probe cannot be effectively avoided in the manufacturing process, and once the probe is slightly bent, the probe will contact another probe with the distance of submicron order, which causes the manufacturing failure.
Disclosure of Invention
The invention discloses guide plate MEMS probe structure template burning and carving equipment aiming at the manufacturing requirement of a submicron-level probe card, which further comprises a brand-new manufacturing process of the MEMS probe card, and a probe positioning method facing the guide plate MEMS probe structure template burning and carving, a guide plate MEMS probe structure manufacturing method and a butt joint device and method of a guide plate MEMS probe structure and a switching layer from the structure of the MEMS probe card to the guide plate MEMS probe structure template burning and carving equipment and method, so that the manufacturing of the submicron-level MEMS probe card is finally realized.
The purpose of the invention is realized as follows:
a template burning and engraving device for a guide plate MEMS probe structure is sequentially provided with a light source, a pinhole, a collimating mirror, an x-direction slit expansion plate, a y-direction slit expansion plate, a first prism, a plane reflector, a second prism, a first image sensor, a controller and a laser array along the light propagation direction;
the light beam that the light source sent forms the pointolite through the pinhole, the pinhole is located collimating mirror focus department, and the pointolite forms the parallel light through the collimating mirror, the parallel light forms x to the stripe array through x to the slit expansion board, x forms the point array to the stripe array through y to the slit expansion board, the point array passes through first prism transmission respectively, and the plane mirror reflects, and first prism reflection, second prism transmission are incided to first image sensor, first image sensor links with the controller electricity, controller control laser array sends the laser beam, the laser beam is respectively through second prism reflection, and first prism reflection incides guide plate MEMS probe structure template under the condition that does not have the plane mirror.
In the template burning and carving equipment for the MEMS probe structure of the guide plate, the x-direction slit expansion plate and the y-direction slit expansion plate are vertically arranged, and both the x-direction slit expansion plate and the y-direction slit expansion plate comprise coaxial step rollers, pull wires and slit plates, and the coaxial step rollers are arranged;
the coaxial step rollers comprise rollers with different diameters, the diameters of the rollers are arranged from small to large and are in an equal difference array, the first item is 2 times of tolerance, pull wires extend out of two ends of each roller, the pull wires are connected with slit plates, the coaxial step rollers are provided with initial positions, when the coaxial step rollers are located at the initial positions, the slit plates are overlapped in the light propagation direction, and at the moment, the edges of the slit plates are aligned to mark positions of the MEMS probe structure template of the guide plate; after the coaxial step rolls and rotates, the slit plates are scattered at different speeds, the different speeds are arranged from small to large and are in an equal difference array, the first term is the same as the tolerance, and after the slit plates are scattered, the distance between every two adjacent slit plates is the same.
Has the advantages that:
the key technologies work in coordination with each other, and the key technologies are all inexhaustible, and the key technologies are taken as a whole to finally realize the manufacture of the submicron-grade MEMS probe card.
The invention discloses a device and a method for burning and engraving a template of a guide plate MEMS probe structure, which can be used for manufacturing a submicron guide plate MEMS probe structure template, thereby laying a device and method foundation for providing a new method for manufacturing the guide plate MEMS probe structure; it should be noted here that in the apparatus, a lens for amplification may also be added between the plane mirror and the first image sensor to realize imaging of sub-micron level images in a micron pixel level imaging device; and a lens with a shrinking effect is added between the laser array and the MEMS probe structure template of the quasi-guide plate, so that the effect of realizing submicron-level burning and carving of the non-submicron-level laser array is realized.
The invention discloses a probe positioning method for template burning and carving of a guide plate MEMS probe structure.
The invention also discloses a method for manufacturing the guide plate MEMS probe structure by utilizing the guide plate MEMS probe structure template.
Fifthly, aiming at the specific process of the application, the invention also designs a butt joint technology of the guide plate MEMS probe structure and the switching layer, the probe card is divided into an upper part and a lower part, wherein the upper part is formed by the reinforcing piece, the PCB and the switching layer, the lower part is formed by the guide plate MEMS probe structure, and the butt joint of the two parts is realized through the butt joint device and the butt joint method of the guide plate MEMS probe structure and the switching layer, so that the manufacture of the MEMS probe card is finally completed.
Drawings
FIG. 1 is a schematic diagram of a MEMS probe card.
Fig. 2 is a schematic structural diagram of a template burning device for a guide plate MEMS probe structure.
FIG. 3 is a schematic view showing a structure of a slit exploding plate.
Fig. 4 is a flow chart of a guide plate MEMS probe structure template burning method.
Fig. 5 is a flow chart of a probe positioning method facing a guide plate MEMS probe structure template burn.
FIG. 6 is a flow chart of a method of fabricating a guide plate MEMS probe structure.
FIG. 7 is a schematic structural diagram of a docking device for the guide plate MEMS probe structure and the interposer.
FIG. 8 is a flow chart of a method of interfacing a guide plate MEMS probe structure with an interposer.
In the figure: 1 reinforcing piece, 2PCB (printed Circuit Board), 3 switching layer, 4 guide plate, 5MEMS probe, 6 quasi-guide plate MEMS probe structure template, 7-1 light source, 7-2 pinhole, 7-3 collimating mirror, 7-4x slit expanding plate, 7-5y slit expanding plate, 7-45-1 coaxial ladder roller, 7-45-2 stay wire, 7-45-3 slit plate, 7-6 first prism, 7-7 plane reflector, 7-8 second prism, 7-9 first image sensor, 7-10 controller, 7-11 laser array, 8-1 third prism, 8-2 imaging objective lens, 8-3 second image sensor, 8-4 lifting platform, 8-5 support, 8-6 cylinder, 8-7 support plate, 8-8 two-dimensional translation stage.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Detailed description of the invention
The following are embodiments of the MEMS probe card.
The MEMS probe card in this embodiment has a schematic structural view as shown in fig. 1, and includes a stiffener 1, a PCB 2, an interposer layer 3, a guide plate 4, and a MEMS probe 5 in sequence from top to bottom; the MEMS probe card comprises a reinforcing piece 1, a PCB 2, an adapter layer 3, a guide plate 4 and MEMS probes 5, wherein the reinforcing piece 1 is used for increasing the strength of the MEMS probe card, the PCB 2 is used for connecting a testing machine and signal routing, the adapter layer 3 is a medium of the PCB 2 and the MEMS probes 5 and is used for realizing the fixed adapter of signals, the guide plate 4 is used for accommodating the MEMS probes 5, and the MEMS probes 5 are used for connecting a wafer to be tested and realizing the test of the electrical performance of the;
the guide plate 4 and the MEMS probe 5 jointly form a guide plate MEMS probe structure, and the guide plate MEMS probe structure is manufactured by utilizing a guide plate MEMS probe structure template; the guide plate MEMS probe structure template can be dissolved in a solution in which a guide plate 4 and an MEMS probe 5 cannot be dissolved, a mark position is arranged on the guide plate MEMS probe structure template, and a coating protrusion is arranged on the guide plate 4.
Detailed description of the invention
The following is an embodiment of a guide plate MEMS probe structure template burning apparatus.
The guide plate MEMS probe structure template burning and carving device in the embodiment is shown in a schematic structural diagram in fig. 2, and is sequentially provided with a light source 7-1, a pinhole 7-2, a collimating mirror 7-3, an x-direction slit expanding plate 7-4, a y-direction slit expanding plate 7-5, a first prism 7-6, a plane reflecting mirror 7-7, a second prism 7-8, a first image sensor 7-9, a controller 7-10 and a laser array 7-11 along a light propagation direction;
the light beam emitted by the light source 7-1 forms a point light source through a pinhole 7-2, the pinhole 7-2 is positioned at the focus of a collimating mirror 7-3, the point light source forms parallel light through the collimating mirror 7-3, the parallel light forms an x-direction stripe array through an x-direction slit expansion plate 7-4, the x-direction stripe array forms a point array through a y-direction slit expansion plate 7-5, the point array is respectively transmitted through a first prism 7-6, reflected by a plane reflecting mirror 7-7, reflected by the first prism 7-6, transmitted by a second prism 7-8 and incident to a first image sensor 7-9, the first image sensor 7-9 is electrically connected with a controller 7-10, the controller 7-10 controls a laser array 7-11 to emit laser beams, and the laser beams are respectively reflected through the second prism 7-8, the first prism 7-6 reflects, without the flat mirror 7-7, incident on the guide plate MEMS probe structure template 6.
Detailed description of the invention
The following is an embodiment of a guide plate MEMS probe structure template burning apparatus.
The template burning and etching device for the guide plate MEMS probe structure in this embodiment has a schematic structural view as shown in fig. 2, and is further defined on the basis of specific example two:
the x-direction slit unfolding plate 7-4 and the y-direction slit unfolding plate 7-5 are vertically arranged, the x-direction slit unfolding plate 7-4 and the y-direction slit unfolding plate 7-5 respectively comprise a coaxial step roller 7-45-1, a pull wire 7-45-2 and a slit plate 7-45-3, and the coaxial step roller 7-45-1 is shown in FIG. 3;
the coaxial stepped rollers 7-45-1 comprise rollers which are coaxially arranged and have different diameters, the diameters of the rollers are arranged from small to large and are in an equal difference array, the first term is 2 times of tolerance, pull wires 7-45-2 extend out of two ends of each roller, the pull wires 7-45-2 are connected with slit plates 7-45-3, the coaxial stepped rollers 7-45-1 are provided with initial positions, when the coaxial stepped rollers 7-45-1 are located at the initial positions, the slit plates 7-45-3 are overlapped in the light propagation direction, and at the moment, the edges of the slit plates 7-45-3 are aligned with the mark position of the MEMS probe structure template 6 of the guide plate; after the coaxial step roller 7-45-1 rotates, the slit plates 7-45-3 are scattered at different speeds, the different speeds are arranged from small to large and are in an equal difference series, the first term is the same as the tolerance, and after the scattering, the distance between every two adjacent slit plates 7-45-3 is the same.
Detailed description of the invention
The following is an embodiment of a guide plate MEMS probe structure template burning method.
A flowchart of a template burning method for a guide plate MEMS probe structure according to this embodiment is shown in fig. 4, and the template burning method for a guide plate MEMS probe structure is implemented by a template burning apparatus for a guide plate MEMS probe structure according to the second embodiment or the third embodiment, and includes the following steps:
step a, placing a guide plate MEMS probe structure template 6, wherein the mark position of the guide plate MEMS probe structure template 6 is positioned at the edge of a slit plate 7-45-3 when a coaxial step roller 7-45-1 is positioned at an initial position;
b, adjusting the x-direction slit unfolding plate 7-4 and the y-direction slit unfolding plate 7-5, rotating the coaxial step roller 7-45-1 in the x-direction slit unfolding plate 7-4 according to the distance between two adjacent MEMS probes in the x direction, and ensuring that the product of the linear speed and the rotation time is the distance between two adjacent MEMS probes in the x direction; rotating a coaxial step roller 7-45-1 in a y-direction slit unfolding plate 7-5 according to the distance between two adjacent MEMS probes in the y direction, and ensuring that the product of the linear speed and the rotation time is the distance between two adjacent MEMS probes in the y direction;
step c, collecting the burning image
Installing a plane reflector 7-7, lighting a light source 7-1, wherein light beams emitted by the light source 7-1 form a point light source through a pinhole 7-2, the pinhole 7-2 is positioned at the focus of a collimating mirror 7-3, the point light source forms parallel light through the collimating mirror 7-3, the parallel light forms an x-direction stripe array through an x-direction slit expanding plate 7-4, the x-direction stripe array forms a point array through a y-direction slit expanding plate 7-5, the point array is respectively transmitted through a first prism 7-6, reflected by the plane reflector 7-7, reflected by the first prism 7-6, transmitted through a second prism 7-8 and incident to a first image sensor 7-9;
step d, burning and carving the template of the MEMS probe structure of the guide plate
And (c) removing the plane reflecting mirror 7-7, controlling the laser array 7-11 to emit laser beams by the first image sensor 7-9 according to the image collected in the step c, reflecting the laser beams by the second prism 7-8 and the first prism 7-6 respectively, and enabling the laser beams to enter the surface of the guide plate MEMS probe structure template 6 under the condition that the plane reflecting mirror 7-7 is not arranged, so as to realize burning and carving.
Detailed description of the invention
The following is an embodiment of a probe positioning method for template burning of a MEMS probe structure facing a guide plate.
In the probe positioning method for template burning and etching of a guide plate MEMS probe structure in this embodiment, a flowchart is shown in fig. 5, and the probe positioning method for template burning and etching of a guide plate MEMS probe structure is a key step before the execution of the method for template burning and etching of a guide plate MEMS probe structure described in the fourth specific embodiment, and the method includes the following steps:
step a, positioning in the x direction
For the x-direction slit expansion plate 7-4, the width of the slit plate 7-45-3 is d1, the rotating angular speed of the coaxial step roller 7-45-1 is w1, the rotating time is t1, the radius of a roller with the smallest diameter in the coaxial step roller 7-45-1 is r1, and the distance between every two adjacent MEMS probes is w1r1t 1;
the distance between the nearest slit from the mark position of the quasi-guide plate MEMS probe structure template 6 and the mark position is d1/2+ w1r1t 1;
step b, positioning in y direction
For the y-direction slit expansion plate 7-5, the width of the slit plate 7-45-3 is d2, the rotating angular speed of the coaxial step roller 7-45-1 is w2, the rotating time is t2, the radius of a roller with the smallest diameter in the coaxial step roller 7-45-1 is r2, and the distance between every two adjacent MEMS probes is w2r2t 2;
the distance between the nearest slit from the mark bit of the quasi-guide plate MEMS probe structure template 6 and the mark bit is d2/2+ w2r2t 2;
step c, two-dimensional positioning
The MEMS probe positioning is realized by positioning the distance between two adjacent MEMS probes in the x direction, the distance between the nearest slit of the x direction to the mark bit of the MEMS probe structure template 6 of the quasi-guiding plate and the mark bit, the distance between two adjacent MEMS probes in the y direction and the distance between the nearest slit of the y direction to the mark bit of the MEMS probe structure template 6 of the quasi-guiding plate and the mark bit.
Detailed description of the invention
The following is an embodiment of a method of fabricating a guide plate MEMS probe structure.
After the template of the guide plate MEMS probe structure is burnt, the manufacturing work of the guide plate MEMS probe structure is needed. A flow chart of the method for manufacturing a guide plate MEMS probe structure according to this embodiment is shown in fig. 6, and the method for manufacturing a guide plate MEMS probe structure includes the following steps:
step a, preparing a guide plate MEMS probe structure template 6 which is subjected to burning and carving;
step b, filling MEMS probe 5 materials into the guide plate MEMS probe structure template 6, and curing;
c, dissolving the guide plate MEMS probe structure template 6 by using a solution, and reserving MEMS probe 5 materials;
d, turning the MEMS probe 5 material obtained in the step c up and down;
e, filling a material of the guide plate 4 into the gap of the material of the MEMS probe 5, and curing;
step f, turning the structure obtained in the step e up and down;
step g, grinding off the MEMS probe 5 material above the guide plate 4 material to enable the guide plate 4 material and the MEMS probe 5 material to be exposed above simultaneously, and obtaining a guide plate MEMS probe structure;
and h, coating a film on the protrusion corresponding to the mark bit of the guide plate MEMS probe structure template 6 in the material of the guide plate 4.
Detailed description of the invention
The following is an embodiment of a docking device for a guide plate MEMS probe structure and interposer.
After the guide plate MEMS probe structure is manufactured, the guide plate MEMS probe structure needs to be butted with the interposer to form an MEMS probe card. The structure schematic diagram of the docking device of the guide plate MEMS probe structure and the transfer layer in this embodiment is shown in fig. 7, and the docking device of the guide plate MEMS probe structure and the transfer layer includes a third prism 8-1, an imaging objective lens 8-2, a second image sensor 8-3, a lifting stage 8-4, a bracket 8-5, a cylinder 8-6, a support plate 8-7, and a two-dimensional translation stage 8-8;
the third prism 8-1, the imaging objective lens 8-2 and the second image sensor 8-3 are positioned on the lifting platform 8-4, move up and down along with the lifting platform, parallel light horizontally enters, is reflected by the third prism 8-1, irradiates a coating film protrusion on the guide plate 4, excites fluorescence, is transmitted by the third prism 8-1, is converged by the imaging objective lens 8-2, and is imaged on the second image sensor 8-3;
the MEMS probe structure comprises a support 8-5, a guide plate MEMS probe structure, cylinders 8-6, a support plate 8-7, a two-dimensional translation table 8-8 and a heating function, wherein the cylinders 8-6 are symmetrically arranged on the support 8-5 and can move synchronously, the top of the cylinder 8-6 is provided with the support plate 8-7, the two-dimensional translation table 8-8 is arranged below the support plate 8-7 and can translate in two dimensions in a horizontal plane, and the two-dimensional translation table 8-8 can be heated to enable a structure consisting of a reinforcing part 1, a PCB 2 and a switching layer 3, which are adhered below the two-dimensional translation table 8-8, to fall off from the two-dimensional translation table 8-.
Detailed description of the invention
The following is an embodiment of a method for interfacing a guide plate MEMS probe structure with an interposer.
In the method for docking a guide plate MEMS probe structure with an interposer layer according to this embodiment, a flowchart is shown in fig. 8, and the method for docking a guide plate MEMS probe structure with an interposer layer is implemented in a docking apparatus for a guide plate MEMS probe structure and an interposer layer according to a seventh embodiment, and includes the following steps:
step a, placing a guide plate MEMS probe structure on a support plate 8-7;
b, sticking a structure consisting of the reinforcing part 1, the PCB 2 and the switching layer 3 to the lower part of the two-dimensional translation table 8-8;
c, horizontally irradiating parallel light, and adjusting the lifting platform 8-4 according to the size of a light spot on the second image sensor 8-3 to enable the coating film protrusion on the guide plate 4 to be conjugated with the image surface of the second image sensor 8-3, wherein the light spot on the second image sensor 8-3 is minimum;
d, calculating the coordinates of each MEMS probe 5 in the MEMS probe structure of the guide plate in the horizontal plane according to the position of the light spot on the second image sensor 8-3;
e, adjusting the positions of the two-dimensional translation tables 8-8 according to the coordinates of the MEMS probes 5 in the horizontal plane in the step d, so that the positions of the reinforcing part 1, the PCB 2, the switching layer 3, the guide plate 4 and the MEMS probes 5 correspond to each other;
step f, adjusting the air cylinders 8-6 to enable the switching layer 3 to be adhered to the guide plate MEMS probe structure;
and step g, heating the reinforcing part 1 by the two-dimensional translation table 8-8, so that the structure formed by the reinforcing part 1, the PCB 2 and the switching layer 3 falls off from the two-dimensional translation table 8-8.
It should be noted that in the above embodiments, permutation and combination can be performed without any contradictory technical solutions, and since a person skilled in the art can exhaust the results of all permutation and combination according to the mathematical knowledge of permutation and combination learned in high-school stages, the results are not listed in this application, but it should be understood that each permutation and combination result is described in this application.
It should be noted that the above embodiments are only illustrative for the patent, and do not limit the protection scope thereof, and those skilled in the art can make modifications to the parts thereof without departing from the spirit of the patent.
Claims (2)
1. A template burning and engraving device for a guide plate MEMS probe structure is characterized in that a light source (7-1), a pinhole (7-2), a collimating mirror (7-3), an x-direction slit expansion plate (7-4), a y-direction slit expansion plate (7-5), a first prism (7-6), a plane reflecting mirror (7-7), a second prism (7-8), a first image sensor (7-9), a controller (7-10) and a laser array (7-11) are sequentially arranged along the light propagation direction;
the light beam emitted by the light source (7-1) forms a point light source through a pinhole (7-2), the pinhole (7-2) is positioned at the focus of a collimating mirror (7-3), the point light source forms parallel light through the collimating mirror (7-3), the parallel light forms an x-direction stripe array through an x-direction slit expanding plate (7-4), the x-direction stripe array forms a point array through a y-direction slit expanding plate (7-5), the point array is respectively transmitted through a first prism (7-6), reflected by a plane reflecting mirror (7-7), reflected by the first prism (7-6), transmitted through a second prism (7-8) and incident to a first image sensor (7-9), the first image sensor (7-9) is electrically connected with a controller (7-10), and the controller (7-10) controls a laser array (7-11) to emit laser beams, the laser beams are reflected by the second prisms (7-8) and the first prisms (7-6) respectively, and enter the guide plate MEMS probe structure template (6) under the condition that the plane mirrors (7-7) are not arranged.
2. The template burning equipment for the guide plate MEMS probe structure is characterized in that the x-direction slit expansion plate (7-4) and the y-direction slit expansion plate (7-5) are vertically arranged, the x-direction slit expansion plate (7-4) and the y-direction slit expansion plate (7-5) respectively comprise a coaxial step roller (7-45-1), a pull wire (7-45-2) and a slit plate (7-45-3), and the coaxial step roller (7-45-1);
the coaxial stepped rollers (7-45-1) comprise rollers which are coaxially arranged and have different diameters, the diameters of the rollers are arranged from small to large and are in an equal difference array, the first term is 2 times of tolerance, pull wires (7-45-2) extend from two ends of each roller, the pull wires (7-45-2) are connected with slit plates (7-45-3), the coaxial stepped rollers (7-45-1) are provided with initial positions, when the coaxial stepped rollers (7-45-1) are located at the initial positions, the slit plates (7-45-3) are overlapped in the light propagation direction, and at the moment, the edges of the slit plates (7-45-3) are aligned with the mark position of the MEMS probe structure template (6) of the guide plate; after the coaxial step roller (7-45-1) rotates, the slit plates (7-45-3) are scattered at different speeds, the different speeds are arranged from small to large and are in an equal difference array, the first term is the same as the tolerance, and after scattering, the distance between every two adjacent slit plates (7-45-3) is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010816386.9A CN111766417B (en) | 2020-08-14 | 2020-08-14 | Template burning and engraving equipment for guide plate MEMS probe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010816386.9A CN111766417B (en) | 2020-08-14 | 2020-08-14 | Template burning and engraving equipment for guide plate MEMS probe structure |
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| CN111766418B (en) * | 2020-08-14 | 2021-01-19 | 强一半导体（苏州）有限公司 | MEMS probe card |
| CN112327583B (en) * | 2020-11-29 | 2022-04-19 | 法特迪精密科技（苏州）有限公司 | Ultra-precise photoetching positioning device for MEMS probe test base |
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