A method of manufacturing a panel
A manufacturing method and plate technology, applied in the field of plate manufacturing, can solve the problems of estimation error, large measurement error, difficulty in obtaining micro groove depth value, etc., and achieve the effect of improving accuracy and accurate depth measurement value.
Active Publication Date: 2021-02-09
YANGXIN TECH SUZHOU
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Problems solved by technology
However, this method requires manual adjustment of the cursor position of the photosensitive coupling element, which easily leads to large measurement errors, and the method of estimating the depth based on the width of the micro-groove is also prone to estimation errors, so it is difficult to obtain a more accurate value of the micro-groove depth. Especially when the micro-groove depth tolerance is below ±0.2um, the measurement error of the micro-groove depth has a more significant impact on the overall machining accuracy
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[0031] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to the accompanying drawings. The directional terms mentioned in the following embodiments, such as: up, down, left, right, front or back, etc., are only referring to the directions of the drawings. Accordingly, the directional terms are used to illustrate and not to limit the invention.
[0032] figure 1 A schematic diagram showing the arrangement of the plate to be processed and the trial cutting block according to an embodiment of the present invention. In this embodiment, the cutting process is used to cut the plate 10 into a plurality of microgrooves with a predetermined depth or gradually changing microgrooves. The actual depth of the microgrooves may be less than 0.5um, for example, and the plate 10 may be, for example, The core of the light guide plate, but not limited t...
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The invention provides a method for manufacturing a panel, which includes the following steps. First provide the plate and the trial cutting block, the trial cutting block is arranged on one side of the plate and the first top surface of the trial cutting block is flush with the second top surface of the plate, and the trial cutting block is formed according to the predetermined processing depth At least one try to cut microgrooves. Furthermore, measure the actual depth of the trial-cut micro-groove of the test cut block, compare the actual depth with the predetermined processing depth to obtain a corrected processing depth, and finally cut the plate according to the corrected processing depth to form at least one micro-groove. The manufacturing method of the board of the present invention has the advantages of simplifying the verification process of the trial processing of forming micro-grooves on the board, saving verification time, and improving the accuracy of processing and depth correction.
Description
technical field [0001] The invention relates to a method for manufacturing a board, in particular to a method for manufacturing a board with microgrooves. Background technique [0002] In order to meet the light and thin product requirements of the display device, backlight module or lighting module, the light guide element is also improved. The light guide plate of the existing light and thin product tends to produce obvious bright and dark band distribution on the light incident side, resulting in The light emitting uniformity of the light panel is reduced. At present, progressive processing is often used to form micro-grooves to improve this phenomenon, but the tolerance of micro-groove depth required by this type of progressive processing must be at least ±0.2um. If the control of micro-groove depth tolerance is not good, it is easy to cause fluctuations in the depth of each micro-groove. The ratio is large and the length is different. In order to improve this problem, ...
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IPC IPC(8): B23Q3/16B23Q15/22
CPCB23Q3/16B23Q15/22B23Q2240/002
Inventor 邱良芳史常青夏启李炎阳
Owner YANGXIN TECH SUZHOU