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    • 2. 发明申请
    • DEVICE AND METHOD FOR FORMING LENS
    • 用于形成镜片的装置和方法
    • US20110074055A1
    • 2011-03-31
    • US12893113
    • 2010-09-29
    • Takahiro NakahashiHiroyuki HanatoKenji HiranoNorimichi Shigemitsu
    • Takahiro NakahashiHiroyuki HanatoKenji HiranoNorimichi Shigemitsu
    • B29C35/12
    • B29D11/00009G02B3/0031
    • In order to realize a device and a method each capable of forming a lens with high accuracy and low costs, a lens forming device of the present invention includes a metal mold, an insulating substrate, a stage, a power source, a switch, and a UV radiating device. Dielectric resin is supplied onto the insulating substrate and a transfer surface of the metal mold is pressed to the dielectric resin so as to transfer a lens shape to the dielectric resin. At that time, the power source applies a voltage on the metal mold to generate an electric field between the metal mold and the insulating substrate so that an electrostatic attraction causes the dielectric resin to be attracted toward the transfer surface of the metal mold while the top of the dielectric resin has a sharp cuspate shape. Consequently, bubbles are less likely to be invade between the transfer surface and the dielectric resin, allowing transferring a highly accurate lens shape to the dielectric resin.
    • 为了实现能够以高精度和低成本形成透镜的装置和方法,本发明的透镜形成装置包括金属模具,绝缘基板,载物台,电源,开关和 UV辐射装置。 将绝缘树脂供给到绝缘基板上,并将金属模的转印面压到电介质树脂上,以将透镜形状转印到电介质树脂上。 此时,电源在金属模具上施加电压以在金属模具和绝缘基板之间产生电场,使得静电吸引导致电介质树脂被吸引到金属模具的转印表面,同时顶部 的电介质树脂具有尖锐的尖端形状。 因此,转移面和电介质树脂之间的气泡不太可能侵入,从而将高精度的透镜形状转印到电介质树脂上。
    • 4. 发明授权
    • Imaging lens and imaging module
    • 成像镜头和成像模块
    • US08422139B2
    • 2013-04-16
    • US13029612
    • 2011-02-17
    • Norimichi ShigemitsuHiroyuki Hanato
    • Norimichi ShigemitsuHiroyuki Hanato
    • G02B9/00G02B11/00
    • G02B27/0012G02B3/04G02B13/18
    • In order to attain an imaging lens whose resolution performance is totally excellent, the imaging lens is in a shape of rotation symmetry in an optical effective aperture, and an image height-MTF property of the imaging lens is designed such that a maximum MTF value of a peripheral region where the image height is greater than zero is greater than an MTF value of a center region where the image height is zero in at least one of a sagittal direction and a tangential direction. This makes it possible to totally maintain an excellent resolution performance of a product even in a case where the performance of the product becomes unstable due to a tolerance that occurs at the time of manufacturing the product.
    • 为了获得其分辨率性能完全优异的成像透镜,成像透镜在光学有效孔径中呈旋转对称的形状,并且成像透镜的图像高度MTF特性被设计为使得最大MTF值 图像高度大于零的外围区域大于在矢状方向和切线方向中的至少一个中图像高度为零的中心区域的MTF值。 这使得即使在产品的性能由于在制造产品时发生的公差而变得不稳定的情况下,也可以完全保持产品的优异的分辨率性能。