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    • 11. 发明申请
    • SENSOR PACKAGING METHOD AND SENSOR PACKAGES
    • 传感器包装方法和传感器包装
    • US20140061948A1
    • 2014-03-06
    • US13597824
    • 2012-08-29
    • Philip H. BowlesPaige M. HolmStephen R. HooperRaymond M. Roop
    • Philip H. BowlesPaige M. HolmStephen R. HooperRaymond M. Roop
    • H01L23/52H01L21/50
    • H01L23/528B81C1/0023B81C1/00238B81C2201/019B81C2203/0792H01L2224/48091H01L2924/1461H01L2924/00014H01L2924/00
    • A method (80) entails providing (82) a structure (117), providing (100) a controller element (102, 24), and bonding (116) the controller element to an outer surface (52, 64) of the structure (117). The structure includes a sensor wafer (92) and a cap wafer (94). Inner surfaces (34, 36) of the wafers (92, 94) are coupled together, with sensors (30) interposed between the wafers (92, 94). One wafer (94, 92) includes a substrate portion (40, 76) with bond pads (42) formed on its inner surface (34, 36). The other wafer (94, 92) conceals the substrate portion (40, 76). After bonding, methodology (80) entails forming (120) conductive elements (60) on the element (102, 24), removing (126) material sections (96, 98, 107) from the wafers (92, 94, 102) to expose the bond pads (42), forming (130) electrical interconnects (56), applying (134) packaging material (64), and singulating (138) to produce sensor packages (20, 70).
    • 方法(80)需要提供(82)结构(117),提供(100)控制器元件(102,24),并且将所述控制器元件(116)结合(116)到所述结构的外表面(52,64) 117)。 该结构包括传感器晶片(92)和盖晶片(94)。 晶片(92,94)的内表面(34,36)被耦合在一起,传感器(30)置于晶片(92,94)之间。 一个晶片(94,92)包括具有形成在其内表面(34,36)上的接合焊盘(42)的衬底部分(40,76)。 另一个晶片(94,92)隐藏基板部分(40,76)。 在键合之后,方法(80)需要在元件(102,24)上形成(120)导电元件(60),将材料部分(96,98,107)从晶片(92,94,107)移除到 露出接合焊盘(42),形成(130)电互连(56),施加(134)包装材料(64)和单分离(138)以产生传感器封装(20,70)。
    • 16. 发明授权
    • Method of forming a seal for a semiconductor device
    • 形成用于半导体器件的密封件的方法
    • US07585744B2
    • 2009-09-08
    • US10730230
    • 2003-12-08
    • Bishnu P. GogoiRaymond M. RoopHemant D. Desai
    • Bishnu P. GogoiRaymond M. RoopHemant D. Desai
    • H01L21/76
    • B81C1/00293B81C2203/0136B81C2203/0145
    • In one embodiment, a reflowable layer 51 is deposited over a semiconductor device 10 and reflowed in an environment having a pressure approximately equal to that of atmosphere to form a seal layer 52. The seal layer 52 seals all openings 43 in the underlying layer of the semiconductor device 10. Since the reflow is performed at approximately atmospheric pressure a gap 50 which was coupled to the opening 43 is sealed at approximately atmospheric pressure, which is desirable for the semiconductor device 10 to avoid oscillation. The seal layer 52 is also desirable because it prevents particles from entering the gap 50. In another embodiment, the seal layer 52 is deposited in an environment having a pressure approximately equal to atmospheric pressure to seal the hole 43 without a reflow being performed.
    • 在一个实施例中,可回流层51沉积在半导体器件10上并且在具有大致等于大气压力的压力的环境中回流以形成密封层52.密封层52将所有的开口43密封在 由于回流在近似大气压下进行,所以连接到开口43的间隙50在大气压下被密封,这对于半导体器件10来说避免振荡是期望的。 密封层52也是期望的,因为它防止颗粒进入间隙50.在另一个实施例中,密封层52沉积在具有大致等于大气压力的压力的环境中,以密封孔43而不进行回流。