CN213580559U

CN213580559U - Hydrophilicity test instrument

Info

Publication number: CN213580559U
Application number: CN202022435330.7U
Authority: CN
Inventors: 张逸凡; 何悦; 朱太英; 金杭; 李文龙
Original assignee: Hengdian Group DMEGC Magnetics Co Ltd
Current assignee: Hengdian Group DMEGC Magnetics Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-29
Anticipated expiration: 2030-10-28

Abstract

The utility model relates to the technical field of measurement, in particular to a hydrophilicity testing instrument, which comprises a mainboard and a limiting plate, wherein the mainboard is used for bearing a plate to be tested to be horizontally placed; the limiting plates are movably arranged on the main board, at least two limiting plates are arranged, the adjacent limiting plates are vertically arranged, and the side walls of the at least two limiting plates are respectively abutted with different side walls of the plate to be tested so as to limit and adjust the position of the plate to be tested. The limiting plate not only can withstand the edge of the panel that awaits measuring to injecing and fix the position of the panel that awaits measuring, the limiting plate can remove for the mainboard moreover, thereby can adapt to the not unidimensional panel that awaits measuring of awaiting measuring. Therefore, the hydrophilicity testing instrument can adapt to silicon wafers with constantly changing sizes, is suitable for the rapidly developed silicon wafer market, and is stronger in adaptability, wider in application range and more convenient.

Description

Hydrophilicity test instrument

Technical Field

The utility model relates to a measure technical field, especially relate to a hydrophilicity test instrument.

Background

The PID (proportion integration differentiation) resistance test of the assembly is always the focus of the PERC battery, the annealing process is taken as a main factor influencing PID, and the inspection of the oxidation layer of the battery piece after the annealing process is particularly important. The industry generally accepted mode is that the degree of compactness of a silicon wafer emitter silicon dioxide layer is tested through hydrophilicity, so that the barrier effect of the silicon oxide layer on the sodium ion permeation of a module is represented to a certain degree.

With the further improvement of efficiency and cost reduction of the PERC battery plate industry, the productivity of a newly-built factory is required to be improved differently, and the size of the silicon wafer is required to be increased continuously. The continual replacement of silicon wafer dimensions continues for a long period of time, and hydrophilicity testing instruments also need to meet the ever changing silicon wafer dimensional requirements.

Therefore, a hydrophilicity testing apparatus is needed, which can be adapted to the testing of the hydrophilicity of silicon wafers with different sizes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrophilicity test instrument can adapt to the test of the hydrophilicity ability of not unidimensional silicon chip.

To achieve the purpose, the utility model adopts the following technical proposal:

a hydrophilicity testing apparatus, comprising:

the main board is used for bearing a board to be tested and horizontally placing the board to be tested;

the limiting plates are movably arranged on the main board and are provided with at least two adjacent limiting plates, the side walls of the at least two limiting plates are abutted to different side walls of the plate to be tested respectively, and therefore the position of the plate to be tested is limited and adjusted.

Optionally, one of the main board and the limiting plate is provided with a waist-shaped hole, the other is provided with a first through hole, the first connecting column penetrates through the first through hole and the waist-shaped hole, and the first connecting column fixedly penetrates through the first through hole and can move relative to the waist-shaped hole.

Optionally, at least two of the kidney-shaped hole, the first through hole and the first connecting column are provided.

Optionally, one of the main plate and the limiting plate is provided with a protruding block, and the other is provided with a groove or a second through hole, wherein the protruding block can slide in the groove or the second through hole.

Optionally, the limiting plate is provided with a scale.

Optionally, the method further comprises:

the display panel is provided with a display hole;

the number plate is positioned below the display plate, a plurality of numbers are arranged on the number plate, and one of the numbers can be displayed at the display hole by the number plate.

Optionally, the display panel comprises a second connecting column, and the second connecting column sequentially penetrates through a third through hole in the display panel and a fourth through hole in the center of the label disc, so that the label disc can rotate relative to the display panel.

Optionally, the number plate, the display hole and the second connecting column are provided in plurality.

Optionally, still include the auxiliary test board, the auxiliary test board can be arranged in the top of mainboard and with the mainboard is parallel and the interval sets up, be provided with the auxiliary test hole on the auxiliary test board.

Optionally, one side of the auxiliary test board is hinged to the main board or the display board, so that the auxiliary test board can be vertically placed relative to the main board.

The utility model has the advantages that:

the utility model provides a hydrophilicity testing instrument, which comprises a mainboard and a limiting plate, wherein the mainboard is used for bearing a plate to be tested to be horizontally placed; the limiting plates are movably arranged on the main board, at least two limiting plates are arranged, the adjacent limiting plates are vertically arranged, and the side walls of the at least two limiting plates are respectively abutted with different side walls of the plate to be tested so as to limit and adjust the position of the plate to be tested. The limiting plate not only can withstand the edge of the panel that awaits measuring to injecing and fix the position of the panel that awaits measuring, the limiting plate can remove for the mainboard moreover, thereby can adapt to the not unidimensional panel that awaits measuring of awaiting measuring. Therefore, the hydrophilicity testing instrument can adapt to silicon wafers with constantly changing sizes, is suitable for the rapidly developed silicon wafer market, and is stronger in adaptability, wider in application range and more convenient.

Drawings

Fig. 1 is a front view of a hydrophilicity testing apparatus according to an embodiment of the present invention;

fig. 2 is a top view of a hydrophilicity testing apparatus provided in an embodiment of the present invention;

fig. 3 is a partially enlarged view of a hydrophilicity testing apparatus according to an embodiment of the present invention;

fig. 4 is a right side view of a hydrophilicity testing apparatus according to an embodiment of the present invention.

In the figure:

1. a panel fixing zone; 11. a main board; 111. a kidney-shaped hole; 12. a limiting plate; 13. a first connecting column;

2. a label display area; 21. a display panel; 211. a display aperture; 22. a number plate; 23. a second connecting column;

3. an auxiliary test board.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment is as follows:

as shown in fig. 1 to 4, the present embodiment provides a hydrophilicity testing apparatus, which includes a board fixing area 1 and a label display area 2 connected to each other, where the board fixing area 1 is used to bear and fix a board to be tested and perform hydrophilicity testing on the board to be tested, and the label display area 2 is used to display a label.

Specifically, the plate fixing area 1 is provided with a main plate 11 and a limiting plate 12, the main plate 11 is horizontally arranged, and the upper surface of the main plate 11 is used for bearing a plate to be tested and enabling the plate to be tested to be horizontally arranged; the limiting plates 12 are movably arranged on the main board 11, at least two limiting plates 12 are arranged on the limiting plates 12, the adjacent limiting plates 12 are vertically arranged, and the side walls of at least two limiting plates 12 are respectively abutted with different side walls of the plate to be tested so as to limit and adjust the position of the plate to be tested. The limiting plate 12 can not only be propped against the edge of the plate to be tested, so that the position of the plate to be tested is limited and fixed, but also the limiting plate 12 can move relative to the main board 11, so that the plate to be tested can adapt to plates to be tested with different sizes. Therefore, the hydrophilicity testing instrument can adapt to silicon wafers with constantly changing sizes, is suitable for the rapidly developed silicon wafer market, and is stronger in adaptability, wider in application range and more convenient.

In this embodiment, two limiting plates 12 are disposed and are respectively disposed in parallel with two adjacent sides of the main plate 11, one of the main plate 11 and the limiting plate 12 is provided with a waist-shaped hole 111, the other is provided with a first through hole, and the length direction of the waist-shaped hole 111 is perpendicular to the length direction of the limiting plate 12. First connector post 13 passes first through-hole and waist type hole 111 in order to connect mainboard 11 and limiting plate 12, and the shape phase-match of first connector post 13 and first through-hole, first connector post 13 is fixed to be passed first through-hole, waist type hole 111's shape is greater than first through-hole, first connector post 13 can remove in waist type hole 111, especially can remove along the direction of perpendicular to limiting plate 12 length direction, and then realize limiting plate 12 for mainboard 11's removal, in order to adapt to the size of the different panel that awaits measuring.

In this embodiment, optionally, be provided with waist type hole 111 on the mainboard 11, be provided with first through-hole on the limiting plate 12, when first connector post 13 removed for waist type hole 111, will drive limiting plate 12 and remove, thereby make limiting plate 12 can remove for mainboard 11, again because first connector post 13 can remove along the direction of perpendicular to limiting plate 12 length direction, can remove the side of the mainboard 11 that can the perpendicular to is close to promptly, thereby the distance that the board that realizes awaiting measuring and this mainboard 11's that should close side can be adjusted.

In order to make the movement of the restriction plate 12 more stable, optionally, the kidney-shaped hole 111, the first through-hole and the first connection post 13 are each provided with at least two. In this embodiment, each of the limiting plates 12 is provided with two first through holes along the length direction, one hydrophilicity testing apparatus is provided with two limiting plates 12, correspondingly, the main board 11 is provided with four waist-shaped holes 111, and four first connecting posts 13 are used for connecting the first through holes and the waist-shaped holes 111 in a one-to-one correspondence manner. Of course, more than two first through holes may be provided in each limiting plate 12 according to the actual size, or the number of the first through holes in each limiting plate 12 may be different, which is not limited herein.

In the embodiment, the length of the board surface of the main board 11 is 22cm-32cm, the width is 20cm-28cm, correspondingly, the length of the limit board 12 parallel to the length direction of the main board 11 is 14cm-24cm, the length of the limit board 12 parallel to the width direction of the main board 11 is 12cm-20cm, and the width of the limit board 12 is 1cm-5 cm. The length of the waist-shaped hole 111 is 1.5cm-5cm, and the silicon wafers which can be measured by the hydrophilicity-testing instrument provided in this embodiment include silicon wafers having a side length in the range of 156cm-183 cm.

Optionally, in order to measure the contact area between the water drops on the board to be tested and the board, even if the hydrophilicity of the board is qualified, the limiting plate 12 is further provided with scales along the length direction. Optionally, the scale of the limiting plate 12 takes 2cm as the minimum unit, so that a tester can conveniently and quickly judge whether the hydrophilic diameter of the silicon wafer to be tested is qualified.

In order to guarantee the accuracy of hydrophilicity test, the factor that the discharge leads to the error still is provided with the auxiliary test board 3 in mainboard 11's top, and the auxiliary test board 3 can set up with mainboard 11 parallel and interval, is provided with the auxiliary test hole on the auxiliary test board 3, and the tester can follow the drip of auxiliary test hole department to guarantee the highly fixed of water droplet whereabouts, eliminate the test error that the high difference of water droplet whereabouts brought. In this embodiment, the main board 11 is provided with a peripheral edge with a fixed height, and when the auxiliary test board 3 is placed horizontally, the auxiliary test board can be lapped on the peripheral edge to ensure that the auxiliary test board 3 is horizontally disposed and has a distance with the main board 11, preferably, the distance between the auxiliary test board 3 and the main board 11 is 1cm-5 cm. In this embodiment, an auxiliary testing hole is disposed at the center of the auxiliary testing board 3 corresponding to the testing area of the motherboard 11, and a plurality of auxiliary testing holes are disposed at equal intervals and used for assisting a tester in testing hydrophilicity at different positions of the board to be tested, so as to ensure the accuracy of hydrophilicity determination. The auxiliary test board 3 is arranged at a fixed test position which can be fine, and assists in fixing the falling height of the water drops, so that errors caused by the test position and the falling height of the water drops are eliminated, and the test accuracy is guaranteed.

Alternatively, one side of the auxiliary test board 3 is hinged to the main board 11 or the display panel 21 so that the auxiliary test board 3 can be vertically placed with respect to the main board 11. The arrangement is convenient for taking and placing the plate to be tested, and the test operation is convenient. For example, one side of the auxiliary test board 3 is hinged to the upper end of one side peripheral edge of the main board 11 to achieve horizontal and vertical placement of the auxiliary test board 3.

For hydrophilicity test, related data such as test labels and the like are often required to be recorded, in order to quickly record and reduce human errors, the hydrophilicity test instrument in the embodiment is further provided with a label display area 2 for displaying labels, and testers can quickly record the test labels and a test site by taking pictures. A display panel 21, a support plate and a label tray 22 are provided in the label display area 2. In this embodiment, a supporting plate is disposed below the display panel 21, the supporting plate includes a horizontal plate and three vertical plates, the upper ends of the three vertical plates are respectively perpendicularly connected to three sides of the display panel 21, the lower ends of the three vertical plates are respectively perpendicularly connected to three sides of the horizontal plate, and the display panel 21, the horizontal plate and the three vertical plates together form a cavity having an opening. Optionally, one side of the horizontal plate, which is not connected to the vertical plates, is connected to one side of the main plate 11, and the three vertical plates are as high as the surrounding edge of the main plate 11.

The number plate 22 is disposed in a cavity formed by the display plate 21 and the support plate, the display plate 21 is provided with a display hole 211, the number plate 22 is provided with a plurality of numbers, and the number plate 22 enables one of the numbers to be displayed at the display hole 211. Optionally, in this embodiment, a third through hole is provided on the display panel 21, a fourth through hole is provided at the center of the label disc 22, and the second connecting column 23 sequentially penetrates through the third through hole and the fourth through hole, so that the label disc 22 can rotate relative to the display panel 21, and the labels on the label disc 22 can be sequentially displayed at the display holes 211 along with the rotation.

The label tray 22, the display hole 211 and the second coupling post 23 are provided in plurality in order to match the number of the labels. In this embodiment, in order to display the furnace tube number of the silicon wafer, two sets of the number plates 22, the display holes 211 and the second connection columns 23 are configured, and the number of the number plates 22, the number of the display holes 211 and the number of the second connection columns 23 may be adjusted as needed, which is not limited herein.

In this embodiment, one side of the auxiliary test board 3 is hinged to a side of the display panel 21 where no perimeter is provided, so as to realize horizontal and vertical placement of the auxiliary test board 3.

Optionally, in order to ensure that the hydrophilicity testing apparatus has certain hardness and drop-resistant and wear-resistant properties, the main board 11, the limiting board 12, the display board 21 and the auxiliary testing board 3 all use acrylic boards, and further, in order to make the testing field brighter and highlight the testing area, the main board 11, the limiting board 12, the display board 21 and the auxiliary testing board 3 all use acrylic boards with certain transmittance.

Example two:

the present embodiment provides a hydrophilicity testing apparatus, which is different from the first embodiment in that: one of the main board 11 and the limiting board 12 is provided with a protruding block, the other one of the main board 11 and the limiting board 12 is provided with a groove or a second through hole, and the protruding block can slide in the groove or the second through hole, so that the effect that the limiting board 12 can slide relative to the main board 11 is achieved. In addition, the remaining structure of the hydrophilicity testing apparatus provided in this embodiment is the same as that of the hydrophilicity testing apparatus in the first embodiment, and the description thereof is omitted here.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A hydrophilicity testing apparatus, comprising:

the main board (11), the main board (11) is used for bearing the board to be tested and enabling the board to be tested to be placed horizontally;

the limiting plates (12) are movably arranged on the main plate (11), at least two limiting plates (12) are arranged, the adjacent limiting plates (12) are vertically arranged, and the side walls of the at least two limiting plates (12) are respectively abutted to different side walls of the plate to be tested so as to limit and adjust the position of the plate to be tested.

2. The hydrophilicity testing apparatus according to claim 1, wherein one of the main plate (11) and the position restriction plate (12) is provided with a kidney-shaped hole (111), and the other is provided with a first through hole, and a first connection column (13) passes through the first through hole and the kidney-shaped hole (111), and the first connection column (13) is fixedly passed through the first through hole and is movable relative to the kidney-shaped hole (111).

3. The hydrophilicity testing apparatus according to claim 2, wherein at least two of said kidney-shaped hole (111), said first through-hole and said first connection column (13) are provided.

4. The hydrophilicity testing instrument according to claim 1, wherein one of said main plate (11) and said limit plate (12) is provided with a protruding block, the other one is provided with a groove or a second through hole, said protruding block being able to slide inside said groove or said second through hole.

5. The hydrophilicity testing instrument according to any one of claims 1 to 4, wherein said limiting plate (12) is provided with a scale.

6. The hydrophilicity testing apparatus according to claim 1, further comprising:

the display panel (21), the display panel (21) is provided with a display hole (211);

a number plate (22), the number plate (22) is positioned below the display plate (21), a plurality of numbers are arranged on the number plate (22), and the number plate (22) can enable one of the numbers to be displayed at the display hole (211).

7. The hydrophilicity testing apparatus according to claim 6, comprising a second connecting column (23), wherein said second connecting column (23) is sequentially inserted through a third through hole of said display panel (21) and a fourth through hole at the center of said marking disc (22) so as to allow said marking disc (22) to rotate relative to said display panel (21).

8. The hydrophilicity testing instrument according to claim 7, wherein said number plate (22), said display hole (211) and said second connection column (23) are provided in plurality.

9. The hydrophilicity testing apparatus according to claim 6, further comprising an auxiliary testing board (3), wherein said auxiliary testing board (3) can be placed above said main board (11) and is parallel to and spaced apart from said main board (11), and said auxiliary testing board (3) is provided with auxiliary testing holes.

10. The hydrophilicity testing apparatus according to claim 9, wherein one side of said auxiliary testing board (3) is hinged with said main board (11) or said display board (21) so that said auxiliary testing board (3) can be vertically placed with respect to said main board (11).