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公开(公告)号:US07330491B2
公开(公告)日:2008-02-12
申请号:US10827981
申请日:2004-04-20
IPC分类号: H01S3/04
CPC分类号: H01S5/02272 , H01S5/02476 , H01S5/06825 , H01S5/4018 , H01S5/4031 , H01S5/405
摘要: A laser diode package (10) according to the present invention is tolerant of short-circuit and open-circuit failures. The laser diode package (10) includes a laser diode bar (12), a forward-biased diode (14), a heat sink (18), and a lid (16) which may have fusible links (86). The laser diode bar (12) and the forward-biased diode (14) are electrically connected in parallel between the heat sink (18) and the lid (16). The emitting region of the laser diode bar (12) is aligned to emit radiation away from the forward-biased diode (14). Several packages can be stacked together to form a laser diode array (42). The forward-biased diode (14) allows current to pass through it when an open-circuit failure has occurred in the corresponding laser diode bar (12), thus preventing an open-circuit failure from completely disabling the array (42). The fusible links (86), if used on the lid (16), prevent damaged active regions (90) in a laser diode bar (12) from short-circuiting and drawing more electrical current than the other active regions (90).
摘要翻译: 根据本发明的激光二极管封装(10)容忍短路和开路故障。 激光二极管封装(10)包括激光二极管条(12),正向偏置二极管(14),散热器(18)和可能具有易熔链(86)的盖子(16)。 激光二极管条(12)和正向偏置二极管(14)在散热器(18)和盖(16)之间并联电连接。 对准激光二极管条(12)的发射区域以发射远离正向偏置二极管(14)的辐射。 可以将多个封装堆叠在一起以形成激光二极管阵列(42)。 当相应的激光二极管条(12)中发生开路故障时,正向偏置二极管(14)允许电流通过它,从而防止开路故障完全禁用阵列(42)。 如果在盖子(16)上使用可熔连接件(86),则防止激光二极管条(12)中损坏的有源区域(90)与其它有源区域(90)相比短路并吸引更多的电流。
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公开(公告)号:US06728275B2
公开(公告)日:2004-04-27
申请号:US10246972
申请日:2002-09-19
IPC分类号: H01S304
CPC分类号: H01S5/02272 , H01S5/02476 , H01S5/06825 , H01S5/4018 , H01S5/4031 , H01S5/405
摘要: A laser diode package (10) according to the present invention is tolerant of short-circuit and open-circuit failures. The laser diode package (10) includes a laser diode bar (12), a forward-biased diode (14), a heat sink (18), and a lid (16) which may have fusible links (86). The laser diode bar (12) and the forward-biased diode (14) are electrically connected in parallel between the heat sink (18) and the lid (16). The emitting region of the laser diode bar (12) is aligned to emit radiation away from the forward-biased diode (14). Several packages can be stacked together to form a laser diode array (42). The forward-biased diode (14) allows current to pass through it when an open-circuit failure has occurred in the corresponding laser diode bar (12), thus preventing an open-circuit failure from completely disabling the array (42). The fusible links (86), if used on the lid (16), prevent damaged active regions (90) in a laser diode bar (12) from short-circuiting and drawing more electrical current than the other active regions (90).
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公开(公告)号:US07860136B2
公开(公告)日:2010-12-28
申请号:US11975951
申请日:2007-10-23
IPC分类号: H01S3/00
CPC分类号: H01S5/02272 , H01S5/02476 , H01S5/06825 , H01S5/4018 , H01S5/4031 , H01S5/405
摘要: A laser diode package (10) according to the present invention is tolerant of short-circuit and open-circuit failures. The laser diode package (10) includes a laser diode bar (12), a forward-biased diode (14), a heat sink (18), and a lid (16) which may have fusible links (86). The laser diode bar (12) and the forward-biased diode (14) are electrically connected in parallel between the heat sink (18) and the lid (16). The emitting region of the laser diode bar (12) is aligned to emit radiation away from the forward-biased diode (14). Several packages can be stacked together to form a laser diode array (42). The forward-biased diode (14) allows current to pass through it when an open-circuit failure has occurred in the corresponding laser diode bar (12), thus preventing an open-circuit failure from completely disabling the array (42). The fusible links (86), if used on the lid (16), prevent damaged active regions (90) in a laser diode bar (12) from short-circuiting and drawing more electrical current than the other active regions (90).
摘要翻译: 根据本发明的激光二极管封装(10)容忍短路和开路故障。 激光二极管封装(10)包括激光二极管条(12),正向偏置二极管(14),散热器(18)和可能具有易熔链(86)的盖子(16)。 激光二极管条(12)和正向偏置二极管(14)在散热器(18)和盖(16)之间并联电连接。 对准激光二极管条(12)的发射区域以发射远离正向偏置二极管(14)的辐射。 可以将多个封装堆叠在一起以形成激光二极管阵列(42)。 当相应的激光二极管条(12)中发生开路故障时,正向偏置二极管(14)允许电流通过它,从而防止开路故障完全禁用阵列(42)。 如果在盖子(16)上使用可熔连接件(86),则防止激光二极管条(12)中损坏的有源区域(90)与其它有源区域(90)相比短路并吸引更多的电流。
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