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发明授权
CN1792906B 模压成形模具及光学元件的制造方法 有权

模压成形模具及光学元件的制造方法
摘要：
将上模(滑动模)(10)的大径部11的轴方向的长度设为(L1)，将上模(10)的小径部(12)的轴方向的长度设为(L2)时，L1>L2成立，当在主体模(30)的第(2)内周大径部(33)内收容下模(静止模)(20)的大径部(21)时，通过主体模(30)与下模(20)的凸缘部(22)对接，规定下模(20)和主体模(30)的相互位置，上模(10)以10μm以下的滑动间隙、滑动导向于主体模(30)中的部分的轴方向的长度设为(L)，将主体模(30)的轴方向的整体长度设为(S)时，L≥0.5S成立。
摘要（英）：

The invention relates to a manufacturing method of model forming module and optical component. When the length along the axial direction of the large diameter section 11 of an upper die 10 is L1, and the length along the axial direction of the small diameter section 12 of the upper die 10 is L2, L1 is larger than L2. When the large diameter section 21 of a lower die 20 is held in the second innercircumference large diameter section 33 of a barrel die 30, the barrel die 30 abuts to the flange section 23 of the lower die 20 so that the relative position of the lower die 20 and the barrel die 30 is specified. When the length along the axial direction of the section in which the upper die 10 is guided sliding to the barrel die 30 with a sliding clearance of 10 [mu]m or smaller is L and the full length along the axial direction of the barrel die 30 is S, L is not less than 0.5S.

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