Checking apparatus and checking method for loading product
A technology for inspection devices and products, applied in measurement devices, instruments, semiconductor/solid-state device testing/measurement, etc., can solve problems such as inspection reliability decline, height change, product distortion, etc., and achieve a simple structure to realize inspection devices and prevent slippage. The effect of shifting or zigzagging, simple structure
Inactive Publication Date: 2011-07-20
LG ELECTRONICS INC
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Problems solved by technology
Further, this disadvantage may be exacerbated in consideration of the vibration generated by the drive of the driving means 8a, 8b and the drooping of the conveying direction of the tape product conveyed in a predetermined length state, etc.
[0009] In addition, if tension is applied to the carrier tape product conveyed by the driving rollers 7a and 7b of the driving device, the product will be twisted, and as a result, it will be difficult for the above-mentioned line scan camera to obtain a correct image, and the inspection reliability will be reduced.
[0010] Also, since the carrier tape product is conveyed in a state supported only by the ends on both sides, there may be a possibility of drooping in the center portion
If the carrier tape falls, the correct plane cannot be maintained and the height will change, so there is a disadvantage that the correct image for inspection cannot be obtained
Method used
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[0034] The present invention will be described in detail below based on the embodiments shown in the drawings.
[0035] image 3 A section showing the overall structure of the inspection device of the present invention, Figure 4 is a perspective view of the translucent roller assembly 40 of the inspection device of the present invention. As shown in the figure, the inspection device for tape products of the present invention has a light-transmitting roller assembly 40 . The light-transmitting roller assembly 40 of the present invention includes: a light-transmitting roller 41 formed of a material that transmits a part of light; and a frame 44 that rotatably supports the above-mentioned light-transmitting roller 41 . An illumination unit 42 (not shown) is provided inside the translucent roller 41 , and part of the light irradiated from the transparent unit 42 can pass through the translucent roller 41 . The light-transmitting roller 41 is of course formed of a light-permeab...
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The present invention provides a detecting device capable of correctly detecting carried product, also relates to a device and method for detecting a product on which has been printed circuit pattern. According to the invention, the device has a transparent roller that can transmit part of light, and one side of the carried products contact with a part of transparent roller while the products is transferred, and the roller driven by the driving source rotates and provide transfer force to the carried products. And a lighting unit is arranged in the transparent roller, and a pair of guide rollers is respectively arranged at the lower parts of the left and right side of the transparent roller, then the products can contact with or leave from the roller. During the carried products contacting with the transparent roller, a line-scan digital camera can obtain a line-scan image by employing the light transmitted from the lighting unit. In mean time, another line-scan digital camera obtainsa line-scan image by employing the light reflected by another lighting unit set in the transparent roller. According to the obtained image, whether the products are good can be judged.
Description
technical field [0001] The present invention relates to a carrier tape inspection device and method, and more particularly, to a carrier tape product inspection device and method that can accurately inspect carrier tape products by using a light-transmitting roller with a built-in light source. Background technique [0002] With the development of electronic products, highly integrated installation and wiring technology has become an important topic. Tape substrates such as TCP, COF, and CSP are products that respond to the above-mentioned problems, and are widely used as mounting materials for highly integrated semiconductors and inter-circuit wiring components, and demand is increasing. With the advancement of carrier tape product technology, the density of component mounting and circuit patterns has gradually increased, and the importance of inspection of produced products has also increased. However, the above-mentioned carrier tape product group is relatively soft, dif...
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IPC IPC(8): G01R31/308H01L21/66G01N21/896
CPCG01N21/8851G01N2021/8887G06T7/0004
Inventor金弦坤金喆佑郑大和
OwnerLG ELECTRONICS INC