CN101980376A

CN101980376A - Liquid penetration grid plate

Info

Publication number: CN101980376A
Application number: CN2010102628017A
Authority: CN
Inventors: 屈莹; 刘志刚
Original assignee: Changzhou EGing Photovoltaic Technology Co Ltd
Current assignee: Changzhou EGing Photovoltaic Technology Co Ltd
Priority date: 2010-08-26
Filing date: 2010-08-26
Publication date: 2011-02-23

Abstract

The invention discloses a liquid penetration grid plate. The grid plate comprises an upper frame rod, a left side rod, a right side rod, an isolation groove plate and a lower frame rod, wherein the upper frame rod, the left side rod, the right side rod and the lower frame rod are tightly connected into a grid plate frame; the isolation groove plate is parallel to the left side rod and the right side rod and distributed in the grid plate frame, so that a plurality of silicon chip slots which are vertically distributed at equal intervals are formed on the grid plate; and the right side rod, the right side rod and the isolation groove plate are provided with liquid penetration holes. A left grid plate and a right grid plate are provided with the liquid penetration holes, silicon chips are inserted into the silicon chip slots and texturing liquid can be fully contacted with the silicon chips from the liquid penetration holes, so that the texturing liquid can be fully contacted with the silicon chips from the liquid penetration holes although the left and right sides of the silicon chips are inserted into the silicon chip slots. Therefore, the left and right sides and the middle parts of the silicon chips can be fully contacted with the texturing liquid and the consistency of the texturing effect of the entire silicon chip is enhanced.

Description

Saturating liquid formula screen

Technical field:

The present invention relates to a kind of silicon wafer carrier of using in the battery slice etching production process, relate in particular to left screen and right screen in the silicon wafer carrier.

Background technology:

In the making herbs into wool production process of solar cell, silicon chip must use silicon wafer carrier to carry out the interval and deposit, and will pass through the processing of NaOH solution, HCl solution, HF solution and the cleaning of clear water therebetween, also will put into drier at last and dry.At present, the employed silicon wafer carrier of making herbs into wool as shown in Figure 1, it is a screen formula structure, surround by left screen 1, right screen 2, front apron 3 and backboard 4 and to form, left side screen 1 is identical with right screen 2 structures, upper end at left screen 1 and right screen 2 is fixed with bracket 5, the lower end, side is provided with bottom bracket 6 within it, madial wall equal intervals ground at left screen 1 and right screen 2 vertically is provided with the silicon chip slot, the silicon chip gag lever post that design level is provided with on the lateral wall of left screen 1 and right screen 2 its objective is to prevent that silicon chip from producing silicon chip and tiltedly blocking phenomenon when spin-drying operation.

In actual use, because the right and left of silicon chip all wants side to insert in the silicon chip slot of left screen and right screen, the right and left of silicon chip and silicon chip slot institute contact portion, owing to can not fully contact with Woolen-making liquid, this a part of making herbs into wool effect is not so good as the good of silicon chip centre certainly, is difficult to reach requirement, and the limit making herbs into wool of the silicon chip left and right sides is inhomogeneous, not only can influence the photoelectric conversion efficiency of battery sheet, but also can influence the presentation quality of battery sheet.

Summary of the invention:

For overcoming the deficiency that prior art exists, the objective of the invention is for silicon wafer carrier provides a kind of liquid formula screen, this liquid formula of silicon wafer carrier adapted screen can make the consistency of whole making herbs into wool effect of silicon chip, prevents silicon chip the right and left making herbs into wool inequality.

The technical scheme that the present invention takes is:

A kind of liquid formula screen, it comprises upper ledge bar, left side bar, right-hand rod, separate slot plate and lower frame rod, upper ledge bar, left side bar, right-hand rod and lower frame rod connect into a screen frame securely, the separate slot plate is parallel to left side bar and right-hand rod, and be distributed in the screen frame, make and form some the silicon chip slots that equidistantly vertically distribute on the screen; It is characterized in that: on left side bar, right-hand rod and separate slot plate, all be provided with liquid drain hole.

Owing on left screen and right screen, set up liquid drain hole, silicon chip is inserted in the silicon chip slot, Woolen-making liquid can fully contact with silicon chip from liquid drain hole, though the right and left of silicon chip all is inserted in the silicon chip slot like this, but making herbs into wool solution can fully contact with silicon chip from liquid drain hole, therefore can carry out normal making herbs into wool equally, thereby guarantee that limit, the silicon chip left and right sides can both fully contact with making herbs into wool liquid with mid portion, has improved the consistency of the making herbs into wool effect of whole silicon wafer.

Description of drawings:

Fig. 1 is the structural representation of existing silicon wafer carrier;

Fig. 2 is a structural representation of the present invention;

Fig. 3 is the A-A cutaway view of Fig. 2;

Fig. 4 is a B-B cutaway view among Fig. 2;

Among the figure: the screen of a 1-left side; The right screen of 2-; The 3-front apron; The 4-backboard; The 5-bracket; The 6-bottom bracket; 7-silicon chip slot; The 8-gag lever post; The 9-silicon chip; 21-upper ledge bar; 22-left side bar; The 23-right-hand rod; 24-separate slot plate; The 25-lower frame rod; The 26-liquid drain hole.

Specific embodiments:

Below in conjunction with description of drawings the specific embodiment of the present invention:

Embodiment 1: following is that 156 * 156 silicon wafer carrier is that example illustrates the specific embodiment of the present invention with specification:

Specification be 156 * 156 silicon wafer carrier as shown in Figure 1, it is surrounded by left screen 1, right screen 2, front apron 3 and backboard 4 and forms, upper end at left screen 1 and right screen 2 is equipped with bracket 5 symmetrically, is fixed with bottom bracket 6 in the lower end of the medial surface of left screen 1 and right screen 2; Left side screen 1 is identical with the structure of right screen 2, the silicon chip slot 7 that all to offer 25 width vertically on the madial wall of left screen 1 and right screen 2 be 1 mm wide, on bracket 5 and bottom bracket 6, all be provided with the bar width and be 1 millimeter silicon chip slot 7, and bracket 5 is corresponding with the silicon chip slot 7 that screen is provided with the silicon chip slot 7 that bottom bracket 6 is provided with, described left screen 1 and right screen 2 all are liquid formula screens of the present invention, as Fig. 2～shown in Figure 4, it is by upper ledge bar 21, left side bar 22, right-hand rod 23, separate slot plate 24 and lower frame rod 25 are formed, upper ledge bar 21, left side bar 22, right-hand rod 23 and lower frame rod 25 connect into a screen frame securely, separate slot plate 24 is parallel to left side bar 22 and right-hand rod 23 is distributed in the screen frame, makes and forms 25 equidistantly vertical distribution silicon chip slots 7 on the screen; On left side bar 22, right-hand rod 23 and separate slot plate 24, all be provided with liquid drain hole 26 equably, be provided with two groups of gag lever posts 8, and the home record of two groups of gag lever posts 8 is of a size of 156+0.2 millimeter～156+0.5 millimeter along short transverse.

Claims

1. saturating liquid formula screen, it comprises upper ledge bar (21), left side bar (22), right-hand rod (23), separate slot plate (24) and lower frame rod (25), upper ledge bar (21), left side bar (22), right-hand rod (23) and lower frame rod (25) connect into a screen frame securely, separate slot plate (24) is parallel to left side bar (22) and right-hand rod (23), and be distributed in the screen frame, on screen, form the silicon chip slot (7) that equidistantly vertically distributes; It is characterized in that: on left side bar (22), right-hand rod (23) and separate slot plate (24), all be provided with liquid drain hole (26).