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    • 8. 发明授权
    • Optical pickup with light receiving element and holding member and method of manufacturing the same
    • 具有光接收元件和保持构件的光学拾取器及其制造方法
    • US08274877B2
    • 2012-09-25
    • US12548674
    • 2009-08-27
    • Masatoshi YajimaKenji MatsumuraHideki HayashiYoshiyuki Hashimoto
    • Masatoshi YajimaKenji MatsumuraHideki HayashiYoshiyuki Hashimoto
    • G11B7/00
    • G11B7/22G11B7/121
    • An optical pickup (10) includes a light emitting element (11), a holding member (14), a light receiving element (18), and a base (13). The holding member (14) is fixed to the base (13) by a combined bonding portion (17). The combined bonding portion (17) is sandwiched between the holding member (14) and the base (13) so as to fix the holding member (14) to the base (13). The combined bonding portion (17) includes a first bonding portion (15) composed of a first adhesive and a second bonding portion (16) composed of a second adhesive having a higher curing shrinkage rate than the first adhesive. The first bonding portion (15) and the second bonding portion (16) are each sandwiched between the holding member (14) and the base (13), and the second bonding portion (16) is provided to cover at least a part of an outer peripheral surface of the first bonding portion (15). A difference between the curing shrinkage rate of the first adhesive and that of the second adhesive is 3.0% or less.
    • 光学拾取器(10)包括发光元件(11),保持构件(14),光接收元件(18)和基座(13)。 保持构件(14)通过组合结合部(17)固定在基座(13)上。 组合结合部分17夹在保持构件14和基座13之间,以将保持构件14固定在基座13上。 组合接合部分(17)包括由第一粘合剂构成的第一接合部分(15)和由具有比第一粘合剂更高的固化收缩率的第二粘合剂构成的第二接合部分(16)。 第一接合部分(15)和第二接合部分(16)分别夹在保持部件(14)和基部(13)之间,并且第二接合部分(16)被设置成覆盖至少一部分 第一接合部(15)的外周面。 第一粘合剂的固化收缩率与第二粘合剂的固化收缩率之差为3.0%以下。
    • 9. 发明申请
    • OPTICAL PICKUP AND METHOD OF MANUFACTURING THE SAME
    • 光学拾取器及其制造方法
    • US20100061211A1
    • 2010-03-11
    • US12548674
    • 2009-08-27
    • Masatoshi YAJIMAKenji MATSUMURAHideki HAYASHIYoshiyuki HASHIMOTO
    • Masatoshi YAJIMAKenji MATSUMURAHideki HAYASHIYoshiyuki HASHIMOTO
    • G11B7/00H01L21/50
    • G11B7/22G11B7/121
    • An optical pickup (10) includes a light emitting element (11), a holding member (14), a light receiving element (18), and a base (13). The holding member (14) is fixed to the base (13) by a combined bonding portion (17). The combined bonding portion (17) is sandwiched between the holding member (14) and the base (13) so as to fix the holding member (14) to the base (13). The combined bonding portion (17) includes a first bonding portion (15) composed of a first adhesive and a second bonding portion (16) composed of a second adhesive having a higher curing shrinkage rate than the first adhesive. The first bonding portion (15) and the second bonding portion (16) are each sandwiched between the holding member (14) and the base (13), and the second bonding portion (16) is provided to cover at least a part of an outer peripheral surface of the first bonding portion (15). A difference between the curing shrinkage rate of the first adhesive and that of the second adhesive is 3.0% or less.
    • 光学拾取器(10)包括发光元件(11),保持构件(14),光接收元件(18)和基座(13)。 保持构件(14)通过组合结合部(17)固定在基座(13)上。 组合结合部分17夹在保持构件14和基座13之间,以将保持构件14固定在基座13上。 组合接合部分(17)包括由第一粘合剂构成的第一接合部分(15)和由具有比第一粘合剂更高的固化收缩率的第二粘合剂构成的第二接合部分(16)。 第一接合部分(15)和第二接合部分(16)分别夹在保持部件(14)和基部(13)之间,并且第二接合部分(16)被设置成覆盖至少一部分 第一接合部(15)的外周面。 第一粘合剂的固化收缩率与第二粘合剂的固化收缩率之差为3.0%以下。