Monocrystalline silicon wafer resistant to saline-alkaline corrosion

Abstract

The utility model discloses a saline-alkaline corrosion resistant monocrystalline silicon wafer, which relates to the technical field of monocrystalline silicon wafers, and comprises a rotating assembly I and a plurality of fixed frames with the same structure, rubber positioning blocks are arranged on the periphery of the interior of the fixing frame, and the rubber positioning blocks on the periphery are attached to the periphery of the silicon wafer. Rotating assemblies II are arranged on the two sides of the top and bottom of the fixed frame, supporting plates are connected to the rotating assemblies II, and the bottom of the silicon wafer is in contact with the bottom supporting plate; the silicon wafer is positioned through the rubber positioning block, the turned-over silicon wafer is supported through the supporting plates on the upper side and the lower side, and therefore the silicon wafer can be prevented from falling off when turned over, the first rotating assembly drives the connecting shaft to rotate, the fixing frame can rotate through the connecting shaft, and rapid turning over of the silicon wafer is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to monocrystal silicon wafer technical field, concretely is a kind of monocrystal silicon wafer of salt-alkali corrosion resistance. BACKGROUND

[0002] Monocrystal silicon wafer, the single crystal of silicon, is a kind of crystal with substantially complete lattice structure, different directions have different properties, it is a kind of good semi-conductive material, main use is used as semiconductor material and utilizes solar photovoltaic power generation, heating etc., existing monocrystal silicon wafer of salt-alkali corrosion resistance generally first and secondly sprays epoxy resin layer and silicon dioxide layer on the front and back of silicon wafer, epoxy resin coating shows excellent performance in corrosion protection, can resist the erosion of acid, alkali, salt and other corrosive media, silicon dioxide coating can increase surface hardness, has scratch-proof and anti-pollution effect.

[0003] At present, when the front and back of monocrystal silicon wafer are treated for salt-alkali corrosion resistance, manual turning is needed, so that the processing efficiency of monocrystal silicon wafer of salt-alkali corrosion resistance is not high, therefore, we propose a kind of monocrystal silicon wafer of salt-alkali corrosion resistance. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of monocrystal silicon wafer of salt-alkali corrosion resistance to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of monocrystal silicon wafer of salt-alkali corrosion resistance, comprising, rotating assembly one and multiple identical fixed frames;

[0006] The rubber positioning block is arranged at the four corners of the inside of the fixed frame, and the rubber positioning block at the four corners is respectively attached to the four corners of the silicon wafer;

[0007] The rotating assembly two is arranged at the top and bottom sides of the fixed frame, and the support plate is connected to the rotating assembly two, and the bottom of the silicon wafer is in contact with the bottom support plate;

[0008] The connecting shaft is arranged at the two sides of the fixed frame, and the connecting shaft is connected between adjacent fixed frames;

[0009] The rotating assembly one is connected to the connecting shaft at both ends.

[0010] As a preferred scheme of the monocrystal silicon wafer of salt-alkali corrosion resistance, the rotating assembly two comprises support seats arranged on the front and back sides of the fixed frame, the shaft is connected between the two side support seats through bearing, the support plate is arranged on the shaft, the micro motor one is arranged on the front side support seat, and the output shaft of the micro motor one is connected to the shaft.

[0011] As a preferred scheme of the monocrystalline silicon wafer of salt and alkali corrosion resistance provided in the utility model, the rotating assembly one comprises a base, and a micro motor two is arranged on one side of the base, and the output shaft of the micro motor two is connected with the connecting shaft at one end.

[0012] As a preferred scheme of the monocrystalline silicon wafer of salt and alkali corrosion resistance provided in the utility model, the connecting shafts at two ends are connected with the base through bearings.

[0013] Compared with the prior art, the utility model has the beneficial effects that the silicon wafer is positioned through the rubber positioning block, the silicon wafer is kept supporting through the supporting plates on the upper and lower sides when being turned over, so that the silicon wafer can be prevented from falling when being turned over, and then the connecting shaft is rotated through the rotating assembly one, so that the fixed frame can be rotated through the connecting shaft, the silicon wafer is quickly turned over, manual turning over is not needed when the front and back surfaces of the monocrystalline silicon wafer are treated for salt and alkali corrosion resistance, the processing efficiency is improved, and the processing efficiency of the monocrystalline silicon wafer of salt and alkali corrosion resistance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole structure schematic view of the monocrystalline silicon wafer of salt and alkali corrosion resistance.

[0015] Fig. 2 It is an opened schematic view of the supporting plate structure of the monocrystalline silicon wafer of salt and alkali corrosion resistance.

[0016] Fig. 3 It is a local structure enlarged schematic view of the monocrystalline silicon wafer of salt and alkali corrosion resistance.

[0017] In the drawing, 1 is a silicon wafer, 2 is a fixed frame, 3 is a rubber positioning block, 4 is a supporting plate, 5 is a connecting shaft, 6 is a supporting base, 7 is a rotating shaft, 8 is a micro motor one, 9 is a base, and 10 is a micro motor two. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] As mentioned in the background, the processing efficiency of the monocrystalline silicon wafer of salt and alkali corrosion resistance in the prior art is not high. The utility model provides a monocrystalline silicon wafer of salt and alkali corrosion resistance.

[0020] Embodiment 1

[0021] Reference Figs. 1-3 The single crystal silicon wafer resistant to salt and alkali corrosion comprises a rotating assembly one and a plurality of fixed frames 2 which are identical in structure.

[0022] Rubber positioning blocks 3 are arranged at the periphery of the inside of the fixed frame 2, and the rubber positioning blocks 3 at the periphery are respectively attached to the periphery of the silicon wafer 1. The rubber positioning blocks 3 can position the silicon wafer 1 to avoid changing the position.

[0023] Rotating assemblies two are arranged at the top and bottom of the fixed frame 2, and support plates 4 are connected to the rotating assemblies two. The bottom of the silicon wafer 1 is in contact with the bottom support plate 4, and the support plates 4 at the top and bottom support the silicon wafer 1 being turned over, so that the silicon wafer 1 can be prevented from falling during turning over. The rotating assembly two is used to drive the support plate 4 to rotate.

[0024] Connecting shafts 5 are arranged at the two sides of the fixed frame 2, and the fixed frames 2 are connected through the connecting shafts 5 between adjacent fixed frames 2, so that the fixed frames 2 can rotate synchronously.

[0025] The rotating assembly one is connected with the connecting shafts 5 at the two ends.

[0026] The rotating assembly two comprises support seats 6 arranged at the front and back of the fixed frame 2. A rotating shaft 7 is connected between the support seats 6 at the two sides through bearings. The support plate 4 is arranged on the rotating shaft 7. A micro motor one 8 is arranged on the front support seat 6. The output shaft of the micro motor one 8 is connected with the rotating shaft 7. The micro motor one 8 drives the rotating shaft 7 to rotate, so that the support plate 4 rotates with the rotating shaft 7.

[0027] The rotating assembly one comprises a base 9. A micro motor two 10 is arranged at one side of the base 9. The output shaft of the micro motor two 10 is connected with the connecting shaft 5 at one end, which is used to drive the connecting shaft 5 to rotate, so that all the fixed frames 2 rotate synchronously.

[0028] Embodiment 2

[0029] Reference Figs. 1-2 The connecting shafts 5 at the two ends are connected with the base 9 through bearings, which can improve the support stability when the connecting shaft 5 rotates.

[0030] The remaining structures are the same as those in embodiment 1.

[0031] The upper support plate 4 is opened, and then the silicon wafer 1 is put in for front-side salt and alkali corrosion resistance treatment. After the front-side treatment, drying treatment is performed. After the treatment is completed, the upper support plate 4 is covered, and then all the fixed frames 2 are rotated, so that the silicon wafer 1 is stably turned over under the positioning and support of the rubber positioning blocks 3 and the support plates 4. After the turning over is completed, the upper support plate 4 is opened, and then the back-side salt and alkali corrosion resistance treatment is performed. Manual turning over is not needed, and the treatment efficiency is higher.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A monocrystalline silicon wafer resistant to saline corrosion, characterized by: Including, The fixed frame (2) is provided with a rotating assembly one and a plurality of fixed frames (2) which are identical in structure; The fixed frame (2) is provided with rubber positioning blocks (3) on the four sides of the inside, and the rubber positioning blocks (3) on the four sides are respectively attached to the four sides of the silicon wafer (1); The fixed frame (2) is provided with a rotating assembly two on the top and bottom sides, and the rotating assembly two is connected with a support plate (4), and the bottom of the silicon wafer (1) is in contact with the bottom support plate (4); The fixed frame (2) is provided with a connecting shaft (5) on both sides, and the adjacent fixed frames (2) are connected through the connecting shaft (5); The rotating assembly one is connected with the connecting shaft (5) at both ends.

2. The single crystal silicon wafer of claim 1, wherein: The rotating assembly two includes support seats (6) provided on the front and rear sides of the fixed frame (2), and the support seats (6) on both sides are connected with a rotating shaft (7) through a bearing, and the support plate (4) is arranged on the rotating shaft (7), and the front support seat (6) is provided with a micro motor one (8), and the output shaft of the micro motor one (8) is connected with the rotating shaft (7).

3. The single crystal silicon wafer of claim 1, wherein: The rotating assembly one includes a base (9), and one side of the base (9) is provided with a micro motor two (10), and the output shaft of the micro motor two (10) is connected with the connecting shaft (5) at one end.

4. The single crystal silicon wafer of claim 3, wherein: Both ends of the connecting shaft (5) are connected with the base (9) through a bearing.

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