Groove machining tool for use with a thin-film solar cell
A thin-film solar cell and slot processing technology, applied in the field of slot processing tools, can solve problems such as longer processing time
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no. 1 approach -
[0047] [Overall structure of cutting device]
[0048] This device includes: a table 1 for mounting a solar cell substrate W; a holder assembly 3 provided on a cutting head 2; two cameras 4; and two monitors 5 .
[0049] Bench 1 can be built in the horizontal plane figure 1 to move in the Y direction. In addition, the table 1 can be rotated to any angle within the horizontal plane.
[0050] The cutting head 2 can move in the X and Y directions above the table 1 via the movable support mechanism 6 . Additionally, if figure 1 As shown, the X direction is a direction perpendicular to the Y direction in the horizontal plane. The mobile support mechanism 6 has: a pair of support columns 7a, 7b; a guide rod 8 provided across between the pair of support columns 7a, 7b; Guide part 9. The cutting head 2 is movable in the X direction along the guide 9 as described above. Furthermore, an air cylinder (not shown) is provided on the cutting head 2, and the holder assembly 3 can move...
experiment example
[0079] Figure 5 (a) to (c) show monitor images when a thin film is removed using the grooving tool of this embodiment. Figure 5 (a) is a monitor image in the case of using a tool with an inclination angle α=0° of the blade 25 and processing at a moving speed of 100 mm / sec, 400 mm / sec, or 800 mm / sec. and, Figure 5 (b) is a monitor image when processing is performed at the same moving speed using a tool with an inclination angle α=20° of the blade 25, Figure 5 (c) is a monitor image when processing is performed at the same moving speed using a tool with an inclination angle α=30° of the blade 25 . In addition, in each figure, the part shown in white is the part processed by groove processing, and the part shown in black is the part which left the thin film. Furthermore, in each groove, the upper end portion in the drawing is a portion that contacts the second side surface 24e of the blade portion 24 .
[0080] As can be seen from the respective figures, in the case of α=...
no. 1 approach
[0084] [Features of the first embodiment]
[0085] (1) The blade 25 of the blade portion 24 is inclined with respect to the tool moving direction when viewed from the bottom surface. Therefore, when a groove is formed using this groove machining tool, the shearing effect of the end portion in the width direction of the groove is enhanced due to the presence of the knife edge. Therefore, it is possible to suppress film peeling at the groove end portion other than the groove.
[0086] (2) The film removed during grooving is smoothly discharged from one end of the groove toward the center of the groove along the front surface 24 b formed above the blade 25 . Therefore, it is possible to prevent the removed film from deteriorating the cutting performance, and to perform stable high-quality grooving.
[0087] (3) The rectangular tool body 22 is inserted into the rectangular groove 21 of the holder 15 to limit the mounting angle of the groove machining tool 16 . Therefore, the gr...
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Abstract
Description
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Application Information
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