CN211122425U - Hydrophilicity testboard - Google Patents
Hydrophilicity testboard Download PDFInfo
- Publication number
- CN211122425U CN211122425U CN201922114313.0U CN201922114313U CN211122425U CN 211122425 U CN211122425 U CN 211122425U CN 201922114313 U CN201922114313 U CN 201922114313U CN 211122425 U CN211122425 U CN 211122425U
- Authority
- CN
- China
- Prior art keywords
- box body
- plate
- hydrophilicity
- fixing
- holes
- 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.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses a hydrophilicity test board, which comprises a box body with an open upper surface and a cover plate movably connected with the upper surface of the box body; the bottom surface of box body is used for placing the sample that awaits measuring, be provided with the hole on the apron, the hole is used for fixing or places titration outfit. The utility model provides a hydrophilicity testboard, in the use, can place the sample that awaits measuring in the bottom of box body and fixed, then will titrate the device and place or fix in the position in hole, make the test of thermal oxidation hydrophilicity reduce human error, the test accuracy obviously promotes.
Description
Technical Field
The utility model relates to a monocrystalline silicon solar cell production field relates to a hydrophilicity testboard.
Background
A solar cell (solar chip, photovoltaic cell) is a photoelectric semiconductor sheet that directly generates electricity using sunlight. It can output voltage and generate current under the condition of loop as long as it is illuminated by light meeting a certain illumination condition. Passivated Emitter and Rear Cell technology (PERC) was first proposed in 1983 by the australian scientist Martin Green and is currently becoming the conventional technology for a new generation of solar cells.
The Potential Induced Degradation (PID) phenomenon of the PERC cell assembly means that the output power is reduced when a high voltage flows through the solar cell unit under a high temperature and humidity environment, which seriously affects the stability of the solar cell. In order to improve the PID resistance of the component, a thermal oxidation process is added in the production process of the PERC cell, a uniform and appropriate silicon oxide layer grows on the emitter of the silicon wafer, and the silicon oxide layer is used for blocking the permeation of sodium ions of the component. And judging the growth condition of the silicon oxide layer by thermal oxidation hydrophilicity.
At present, the hydrophilicity of a silicon wafer is tested, and the diffusion diameter of water is tested after a dropper is used for dropping a drop of water in five areas, namely the upper left area, the lower left area, the middle area, the upper right area and the lower right area of the silicon wafer by visual observation; the height of the dropper and the position of a silicon wafer test are not fixed, the test result has randomness, and the error is large.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the prior art, the utility model aims to provide a hydrophilicity testboard.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a hydrophilicity testboard, hydrophilicity testboard includes the open box body of upper surface, and with box body upper surface swing joint's apron, the bottom surface of box body is used for placing the sample that awaits measuring, it has the hole to set up on the apron, the hole is used for fixing or places titration outfit. During testing, water drops dropping from the titration device pass through the hole and fall onto a sample to be tested.
The utility model provides a hydrophilicity testboard, in the use, can place the sample (for example silicon chip) that awaits measuring in the bottom of box body and fixed, then place titration outfit (for example burette) or fix in the position in hole, make the thermal oxidation hydrophilicity test reduce human error, the test accuracy obviously promotes.
Following as the utility model discloses preferred technical scheme, but do not regard as right the utility model provides a technical scheme's restriction, through following preferred technical scheme, can be better reach and realize the utility model discloses a technical purpose and beneficial effect.
Preferably, one side or two sides of the box body are open, so that the diameter of water diffusion is measured in the process of putting in and taking out a sample to be tested and in the process of hydrophilicity testing.
Preferably, the distance between the upper surface of the bottom surface of the box body and the lower surface of the cover plate is 2.5-4 cm, such as 2.5cm, 2.7cm, 2.8cm, 3cm, 3.3cm, 3.6cm, 3.8cm or 4 cm.
The utility model discloses do not do the restriction to the material of box body, for example can be the ya keli board.
Preferably, the number of said holes is at least 2, such as 2, 3, 4, 5, 6, 7, 8 or 10, etc.
Preferably, the holes are the same in size, and the number of the holes is 5, and the holes are respectively distributed in five areas, namely the upper left area, the lower left area, the middle right area, the upper right area and the lower right area of the cover plate.
Preferably, the diameter of the holes is 15-25 mm, such as 15mm, 18mm, 20mm, 21mm, 22mm, 23mm or 25mm, etc.
Preferably, the movable connection mode is as follows: the cover plate is used as a large plate and is connected with a small plate fixed on the upper surface of the box body through a hinge. The small plate is fixed, and the large plate can be opened and closed through the hinge, so that the diameter of water diffusion can be measured conveniently during a hydrophilicity test.
The utility model discloses do not do specifically and restrict to the size of big board and platelet, for example can be, the big board size is 22cm 17cm 0.3cm, and the platelet size is 22cm 5cm 0.3 cm.
The utility model discloses in, the box body can be integrated into one piece, also can be by the bottom plate and with bottom plate fixed connection's curb plate constitute.
Preferably, at least 2 fixing devices are arranged on the bottom surface of the box body.
Preferably, the fixing devices are fixing plates, the number of the fixing plates is 2, the fixing plates are respectively arranged on the bottom surface of the box body and close to the two side edges, and the two side edges are adjacent edges.
The utility model discloses do not restrict the bottom surface size of box body, for example can be 22cm 0.8 cm.
The utility model also provides a method for utilize foretell hydrophilicity testboard to carry out hydrophilicity test to the sample that awaits measuring is the silicon chip after the thermal oxidation as an example, including following step:
(A) placing the silicon wafer after thermal oxidation on the bottom surface in the box body;
(B) the cover plate is covered on the upper surface of the box body, the dropper takes water, and a drop of water is dropped at the hole of the cover plate;
(C) the cover was opened and the hydrophilic diameter was measured with a ruler.
The utility model discloses in, step (B) apron lid is on the upper surface of box body, can be the complete covering, also can be the partial covering.
Preferably, the step (a) places the thermally oxidized silicon wafer on the bottom surface inside the case, and fixes the silicon wafer by the fixing device.
Preferably, when the water is dripped in the step (B), the bottom of the dropper is positioned at the center of the hole and is at the same height as the dropper fixing plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model provides a hydrophilicity testboard, in the use, can place the sample (for example silicon chip) that awaits measuring in the bottom of box body and fixed, then place titration outfit (for example burette) or fix in the position in hole, make the thermal oxidation hydrophilicity test reduce human error, the test accuracy obviously promotes.
(2) The height of the titration device (such as a dropper) from a sample to be tested (such as a silicon wafer) is determined and fixed, and the testing position of the sample to be tested (such as a silicon wafer) is determined and fixed, so that the testing accuracy is improved.
(3) The hydrophilic test bench is simple, effective and standardized to operate.
Drawings
Fig. 1 a-1 c are schematic diagrams of the thermal oxidation hydrophilicity testing platform of the present invention (fig. 1a is a front view, fig. 1b is a top view, and fig. 1c is a side view), in which fig. 1-box, 2-cover plate, 3-fixing plate.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example 1
The embodiment provides a hydrophilic test bench (see fig. 1 a-1 c for schematic structural diagrams), comprising a box body 1 with an open upper surface and a side surface, and a cover plate 2 movably connected with the upper surface of the box body 1;
the lid plate 2 was used as a large plate (22cm x 17cm x 0.3cm) and was connected to a small plate (22cm x 5cm x 0.3cm) adhered to the upper surface of the case 1 by a hinge. The small plate is fixed, and the large plate can be opened and closed through a hinge, so that the diameter of water diffusion can be conveniently measured during a hydrophilicity test;
the height of the box body 1 is 4.1cm, the box body 1 is composed of a bottom plate and two side plates, the bottom plate and the two side plates are respectively fixed on the left side and the right side, the bottom plate is a square acrylic plate with the length of 22cm x 0.8cm, the square acrylic plate is used as a sample fixing area to be detected and is used for placing a sample to be detected, the cover plate 2 is provided with 5 holes with the diameter of 20mm, the 5 holes are distributed corresponding to five areas of the upper left part, the lower left part, the center, the upper right part and the lower right part of a silicon wafer, the circle centers of the 5 holes are respectively arranged on four corners and the center point of a square with the side length of 80mm, and the center of the square with the side length of 80mm corresponds to the center position of the bottom plate (the;
the bottom plate 1 is provided with two fixing pieces 3 which are respectively arranged at the positions close to the left side and the upper side on the bottom plate of the box body 1.
Example 2
The embodiment provides a use method of the hydrophilic test bed in embodiment 1, specifically:
in the production process of the PERC cell, a thermal oxidation process is carried out, a silicon oxide layer grows on a silicon wafer emitter, in order to judge the growth condition of the silicon oxide, a hydrophilicity test is carried out on the thermally oxidized silicon wafer, and the hydrophilicity test comprises the following steps:
firstly, a silicon wafer is placed in a sample placing area to be detected of a box body 1, and is fixed by a fixing sheet 3 after the silicon wafer is close to the left front;
secondly, after the drip tube takes water, respectively dripping a drip at 5 holes of the cover plate 2 under the state that the cover plate 2 covers the upper surface of the box body 1, wherein the bottom of the drip tube is required to be positioned at the center of the hole and is at the same height with the drip tube fixing plate;
third, the cover plate 2 is opened and the hydrophilic diameter is measured with a ruler.
In the process of testing hydrophilicity, the position of a silicon wafer is fixed, the position of a dropper is fixed, five positions for testing the silicon wafer are respectively arranged at four corners and the center of a square with the side length of 80mm (the center of the silicon wafer is superposed with the center of a square bottom plate), and the height of the dropper is 3cm away from the silicon wafer; human errors caused by visual inspection are obviously reduced, and the accuracy of testing the thermal oxidation hydrophilicity is greatly improved.
Example 2
The embodiment provides a hydrophilic test bench (see fig. 1 a-1 c for schematic structural diagrams), comprising a box body 1 with an upper surface and two opposite side surfaces opened, and a cover plate 2 movably connected with the upper surface of the box body 1;
the lid plate 2 was used as a large plate (22cm x 17cm x 0.3cm) and was connected to a small plate (22cm x 5cm x 0.3cm) adhered to the upper surface of the case 1 by a hinge. The small plate is fixed, and the large plate can be opened and closed through a hinge, so that the diameter of water diffusion can be conveniently measured during a hydrophilicity test;
the height of the box body 1 is 4.1cm, the box body 1 is composed of a bottom plate and two side plates, the bottom plate and the two side plates are respectively fixed on the left side and the right side, the bottom plate is a square acrylic plate with the length of 22cm x 0.8cm, the square acrylic plate is used as a sample fixing area to be detected and is used for placing a sample to be detected, 4 holes with the diameter of 20mm are arranged on the cover plate 2, the 4 holes are distributed corresponding to five areas of the upper left part, the lower left part, the upper right part and the lower right part of a silicon wafer, the circle centers of the 4 holes are respectively arranged on four corners of a square with the side length of 80mm, and the center of the square with the side length of 80mm corresponds to the center position of the bottom plate (the center of;
the bottom plate 1 is provided with two fixing pieces 3 which are respectively arranged at the positions close to the left side and the upper side on the bottom plate of the box body 1.
Example 3
The embodiment provides a hydrophilicity test bench, which comprises a box body 1 with an open upper surface and a side surface, and a cover plate 2 movably connected with the upper surface of the box body 1;
the lid plate 2 was used as a large plate (22cm x 17cm x 0.3cm) and was connected to a small plate (22cm x 5cm x 0.3cm) adhered to the upper surface of the case 1 by a hinge. The small plate is fixed, and the large plate can be opened and closed through a hinge, so that the diameter of water diffusion can be conveniently measured during a hydrophilicity test;
the height of the box body 1 is 3.8cm, the box body 1 is composed of a bottom plate and two side plates, the bottom plate and the two side plates are respectively fixed on the left side and the right side, the bottom plate is a square acrylic plate with the length of 22cm x 0.8cm, the square acrylic plate is used as a sample fixing area to be detected and is used for placing a sample to be detected, the cover plate 2 is provided with 5 holes with the diameter of 20mm, the 5 holes are distributed corresponding to five areas of the silicon wafer, namely, the upper left area, the lower left area, the middle point, the upper right area and the lower right area, the circle centers of the 5 holes are respectively arranged on four corners and the center point of a square with the side length of 80mm, and the center of the square with the side length of 80mm corresponds to the center position of the bottom;
the bottom plate 1 is provided with two fixing pieces 3 which are respectively arranged at the positions close to the left side and the upper side on the bottom plate of the box body 1.
Example 4
The embodiment provides a hydrophilicity test bench, which comprises a box body 1 with an upper surface and two opposite side surfaces which are open, and a cover plate 2 movably connected with the upper surface of the box body 1;
the lid plate 2 was used as a large plate (22cm x 17cm x 0.3cm) and was connected to a small plate (22cm x 5cm x 0.3cm) adhered to the upper surface of the case 1 by a hinge. The small plate is fixed, and the large plate can be opened and closed through a hinge, so that the diameter of water diffusion can be conveniently measured during a hydrophilicity test;
the height of the box body 1 is 4.1cm, the box body 1 is composed of a bottom plate and two side plates, the bottom plate and the two side plates are respectively fixed on the left side and the right side, the bottom plate is a square acrylic plate with the length of 22cm x 0.8cm, the square acrylic plate is used as a sample fixing area to be detected and is used for placing a sample to be detected, the cover plate 2 is provided with 5 holes with the diameter of 20mm, the 5 holes are distributed corresponding to five areas of the upper left part, the lower left part, the center, the upper right part and the lower right part of a silicon wafer, the circle centers of the 5 holes are respectively arranged on four corners and the center point of a square with the side length of 80mm, and the center of the square with the side length of 80mm corresponds to the center position of the bottom plate (the;
the bottom plate 1 is provided with two fixing pieces 3 which are respectively arranged at the positions close to the left side and the upper side on the bottom plate of the box body 1.
Example 5
The embodiment provides a hydrophilicity test bench, which comprises a box body 1 with an open upper surface and a side surface, and a cover plate 2 movably connected with the upper surface of the box body 1;
the lid plate 2 was used as a large plate (22cm x 17cm x 0.3cm) and was connected to a small plate (22cm x 5cm x 0.3cm) adhered to the upper surface of the case 1 by a hinge. The small plate is fixed, and the large plate can be opened and closed through a hinge, so that the diameter of water diffusion can be conveniently measured during a hydrophilicity test;
the height of the box body 1 is 4.1cm, the box body 1 is composed of a bottom plate and two side plates, the bottom plate and the two side plates are respectively fixed on the left side and the right side, the bottom plate is a square acrylic plate with the length of 22cm x 0.8cm, the square acrylic plate is used as a sample fixing area to be detected and is used for placing a sample to be detected, the cover plate 2 is provided with 5 holes with the diameter of 20mm, the 5 holes are distributed corresponding to five areas of the upper left part, the lower left part, the center, the upper right part and the lower right part of a silicon wafer, the circle centers of the 5 holes are respectively arranged on four corners and the center point of a square with the side length of 80mm, and the center of the square with the side length of 80mm corresponds to the center position of the bottom plate (the;
the bottom plate 1 is provided with two fixing pieces 3 which are respectively arranged at the positions close to the right side and the upper side on the bottom plate of the box body 1.
The utility model discloses each embodiment provides a hydrophilicity testboard, in the use, place the silicon chip in the bottom of box body and fixed, then place the burette or fix in the position in hole, make the test of thermal oxidation hydrophilicity reduce human error, the test accuracy obviously promotes.
The applicant states that the present invention is described in detail by the above embodiments, but the present invention is not limited to the above detailed method, i.e. the present invention is not meant to be implemented by relying on the above detailed method. It should be clear to those skilled in the art that any improvement of the present invention, to the equivalent replacement of each raw material of the present invention, the addition of auxiliary components, the selection of specific modes, etc., all fall within the protection scope and disclosure scope of the present invention.
Claims (10)
1. A hydrophilicity test bench is characterized in that the hydrophilicity test bench comprises a box body with an open upper surface and a cover plate movably connected with the upper surface of the box body;
the bottom surface of box body is used for placing the sample that awaits measuring, be provided with the hole on the apron, the hole is used for fixing or places titration outfit.
2. The hydrophilicity test stand according to claim 1, wherein one side or both sides of said box body are open.
3. The hydrophilicity test bench according to claim 1, wherein the distance between the upper surface of the bottom surface of the box body and the lower surface of the cover plate is 2.5-4 cm.
4. The hydrophilic test bed according to claim 1, wherein the number of wells is at least 2.
5. The hydrophilicity test bench of claim 4, wherein the holes have the same size, and the number of the holes is 5, and the holes are respectively distributed in five areas of the cover plate, namely, the upper left area, the lower left area, the middle right area, the upper right area and the lower right area.
6. The hydrophilicity test stand according to claim 1, wherein said holes have a diameter of 15 to 25 mm.
7. The hydrophilicity test stand according to claim 1, wherein said movable connection is in a manner of: the cover plate is used as a large plate and is connected with a small plate fixed on the upper surface of the box body through a hinge.
8. The hydrophilicity testing platform according to claim 1, wherein said box body is integrally formed or is composed of a bottom plate and a side plate fixedly connected with the bottom plate.
9. The hydrophilicity test bench of claim 1, wherein at least 2 fixing devices are arranged on the bottom surface of said box body.
10. The hydrophilicity test bench of claim 9, wherein the fixing device is a fixing plate, the number of the fixing plate is 2, the fixing plate is respectively arranged on the bottom surface of the box body near two sides, and the two sides are adjacent sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114313.0U CN211122425U (en) | 2019-11-29 | 2019-11-29 | Hydrophilicity testboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114313.0U CN211122425U (en) | 2019-11-29 | 2019-11-29 | Hydrophilicity testboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211122425U true CN211122425U (en) | 2020-07-28 |
Family
ID=71700579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922114313.0U Active CN211122425U (en) | 2019-11-29 | 2019-11-29 | Hydrophilicity testboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211122425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112797A (en) * | 2021-11-23 | 2022-03-01 | 横店集团东磁股份有限公司 | Hydrophilicity detection mechanism |
-
2019
- 2019-11-29 CN CN201922114313.0U patent/CN211122425U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112797A (en) * | 2021-11-23 | 2022-03-01 | 横店集团东磁股份有限公司 | Hydrophilicity detection mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211122425U (en) | Hydrophilicity testboard | |
| CN103293482B (en) | Simple button lithium-air battery test device | |
| CN101551437A (en) | Device for testing solar cell parameter | |
| CN106972079B (en) | The cleaning method at the PERC silicon chip of solar cell back side | |
| Holovský et al. | Variable light biasing method to measure component I–V characteristics of multi-junction solar cells | |
| CN110412013A (en) | One kind being suitable for button cell original position optical testing device | |
| CN107714095A (en) | A kind of multi-parameter quantitatively detects the device and detection method of ovulation | |
| CN210110931U (en) | Be used for abluent auxiliary device of lithium manganese button cell | |
| CN104269449B (en) | Silicon-based thin film solar cell and shielding wire etching method of sub-cells thereof | |
| CN208158547U (en) | Device for organic solar batteries performance test | |
| CN207091415U (en) | With the stem cell extract detection kit for promoting senile cell remobilization | |
| CN104303865A (en) | Method for measuring nutrient competition of kindred plants under water planting | |
| CN210419915U (en) | Biological gene detection device | |
| CN210956631U (en) | Graphite boat loading and unloading piece sucking disc | |
| CN211467805U (en) | Screen printing plate | |
| CN208029370U (en) | A kind of seed sprouting experimental provision | |
| CN206524306U (en) | A kind of detection means for being used to detect cell piece surface film oxide hydrophilicity | |
| CN205845988U (en) | A kind of positioner for PECVD loading and unloading monocrystalline silicon piece | |
| CN207524242U (en) | A kind of portable soil sampling box | |
| CN212807953U (en) | Silicon chip oxidation testing tool | |
| CN107195698B (en) | A kind of deactivating process for the treatment of of antimony selenide thin-film solar cells back surface | |
| CN203590153U (en) | Solar cell photoelectric conversion and charge transmission characteristic parameter measuring system | |
| CN207009403U (en) | A kind of photovoltaic crystal silicon battery diffused sheet resistance measurement apparatus | |
| CN211982958U (en) | Strip type rain increasing device and rain increasing and temperature increasing simulation system | |
| CN218262552U (en) | Circulating tumor cell culture device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |