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    • 31. 发明公开
    • 이미지 센서 제조방법
    • 图像传感器制造方法
    • KR1020090071215A
    • 2009-07-01
    • KR1020070139445
    • 2007-12-27
    • 주식회사 디비하이텍
    • 정충경
    • H01L27/146
    • H01L27/14665H01L27/14634H01L27/1469
    • A fabricating method of image sensor is provided to increase the optical sensing rate by enlarging the surface area of the photo diode within the unit pixel. An inter-layer insulating layer(20) including a metal wiring(30) is formed on a semiconductor substrate(10). An element isolation layer defining an active area and a field area is formed in the semiconductor substrate. The inter-layer insulating layer is formed with a plurality of layers. The inter-layer insulating layer is formed with the nitride layer or the oxide layer. The metal wiring comprises the plug. A bottom electrode layer(40) is formed on the inter-layer insulating layer including the metal wiring. A photoresist pattern(100) is formed on the bottom electrode layer.
    • 提供图像传感器的制造方法,通过放大单位像素内的光电二极管的表面积来增加光学感测速率。 在半导体衬底(10)上形成包括金属布线(30)的层间绝缘层(20)。 在半导体衬底中形成限定有源区和场区的元件隔离层。 层间绝缘层形成有多层。 层间绝缘层由氮化物层或氧化物层形成。 金属布线包括插头。 在包括金属布线的层间绝缘层上形成底部电极层(40)。 在底部电极层上形成光致抗蚀剂图案(100)。
    • 32. 发明公开
    • 게이트 전극 제조 방법
    • 制造门电极的方法
    • KR1020090066407A
    • 2009-06-24
    • KR1020070133911
    • 2007-12-20
    • 주식회사 디비하이텍
    • 정충경
    • H01L27/146H01L21/336
    • H01L27/14689H01L27/14614H01L29/66477
    • A manufacturing method of a gate electrode is provided to improve a manufacturing yield in a gate electrode patterning process by processing rapidly an etch process of a hard mask having a low temperature oxide layer having low temperature in comparison with a gate insulating layer in order to remove the hard mask before a lateral undercut effect of the gate insulating layer. A gate insulating layer is formed on a semiconductor substrate(100) by using a silicon oxide layer. A gate conductive layer is formed on an upper part of the gate insulating layer. A hard mask(206a) is formed on an upper part of the gate conductive layer. The hard mask is composed of a low-temperature oxide layer. The gate insulating layer is patterned by using the hard mask. The hard mask is removed by performing a wet etch process.
    • 提供了栅电极的制造方法,以通过与栅极绝缘层相比,快速处理具有低温的低温氧化物层的硬掩模的蚀刻工艺来提高栅电极图案化工艺中的制造成品率,以便去除 硬掩模在栅极绝缘层的侧向底切效应之前。 通过使用氧化硅层在半导体衬底(100)上形成栅极绝缘层。 栅极导电层形成在栅极绝缘层的上部。 在栅极导电层的上部形成有硬掩模(206a)。 硬掩模由低温氧化物层组成。 通过使用硬掩模对栅极绝缘层进行图案化。 通过执行湿法蚀刻工艺去除硬掩模。
    • 33. 发明公开
    • 이미지 센서 제조방법
    • 图像传感器制造方法
    • KR1020090060513A
    • 2009-06-15
    • KR1020070127354
    • 2007-12-10
    • 주식회사 디비하이텍
    • 정충경이강현류상욱
    • H01L27/146
    • H01L27/14685H01L27/14625H01L27/14627H01L27/14632H01L27/14687
    • A manufacturing method of an image sensor is provided to reuse the wafer in case a defect is generated in a wafer by using a wet etching process with an etch selectivity of a low temperature oxide film which is a micro lens and an USG(Undoped Silicate Glass) film which is a protective layer. A unit pixel(20) including a photo diode is formed on a semiconductor substrate(10). An interlayer insulation film(30) including a metal wiring and a pad is formed on the semiconductor substrate. A protective layer(50) is formed on the interlayer insulation film. A color filter(60) is formed on the protective layer corresponding to the unit pixel. A seed lens(85) is formed on the color filter. A micro lens(95) is formed by depositing an inorganic layer on the seed lens. A pad hole is formed by removing the protective layer and an oxide film of a top part of the pad. The seed lens and the micro lens are removed in case a shape of the micro lens is fault.
    • 提供了一种图像传感器的制造方法,以便在通过使用具有低温氧化膜(微透镜)和USG(未掺杂硅酸盐玻璃)的蚀刻选择性的湿式蚀刻工艺在晶片中产生缺陷的情况下再利用晶片 )膜是保护层。 包括光电二极管的单位像素(20)形成在半导体衬底(10)上。 在半导体衬底上形成包括金属布线和衬垫的层间绝缘膜(30)。 在层间绝缘膜上形成保护层(50)。 在对应于单位像素的保护层上形成滤色器(60)。 种子透镜(85)形成在滤色器上。 通过在种子晶状体上沉积无机层形成微透镜(95)。 通过去除保护层和垫的顶部的氧化物膜形成焊盘孔。 在微透镜的形状发生故障的情况下,移除晶状体和微透镜。
    • 36. 发明授权
    • 이미지센서의 제조방법
    • 制造图像传感器的方法
    • KR100843968B1
    • 2008-07-03
    • KR1020070047597
    • 2007-05-16
    • 주식회사 디비하이텍
    • 정충경
    • H01L27/146
    • G02B3/0012H01L27/14621H01L27/14627H01L27/14685
    • A method for manufacturing an image sensor is provided to form the image sensor having a micro-lens and to minimize a gap between micro-lens by using an oxide layer. An interlayer dielectric(130) is formed on a substrate(110) including a photodiode(120). A color filter layer(140) is formed on the interlayer dielectric. An oxide layer is formed on the color filter layer. A plurality of micro-lens patterns are formed in a constant interval on the oxide layer. An oxide layer micro-lens(165) having constant curvature is formed by etching the oxide layer. The residues of the micro-lens patterns are cleaned by using an ammonium peroxydisurfate mixing solution. The process for forming an oxide layer micro-lens includes a process for etching the oxide layer, a process for plasma-processing the micro-lens patterns, and a process for etching the oxide layer.
    • 提供一种用于制造图像传感器的方法以形成具有微透镜的图像传感器,并且通过使用氧化物层使微透镜之间的间隙最小化。 在包括光电二极管(120)的衬底(110)上形成层间电介质(130)。 在层间电介质上形成滤色器层(140)。 在滤色器层上形成氧化物层。 在氧化物层上以恒定间隔形成多个微透镜图案。 通过蚀刻氧化物层形成具有恒定曲率的氧化物层微透镜(165)。 通过使用过氧化二异氰酸铵混合溶液清洁微透镜图案的残留物。 用于形成氧化物层微透镜的方法包括蚀刻氧化物层的工艺,用于等离子体处理微透镜图案的工艺以及蚀刻氧化物层的工艺。
    • 39. 发明公开
    • 이미지 센서의 제조방법
    • 图像传感器制造方法
    • KR1020110075948A
    • 2011-07-06
    • KR1020090132523
    • 2009-12-29
    • 주식회사 디비하이텍
    • 정충경박진호
    • H01L27/146H01L27/14
    • H01L27/14685H01L27/14627H01L27/14632H01L27/14687
    • PURPOSE: A method for manufacturing an image sensor is provided to simplify an exposure process of a pad, by proceeding a pad open process after forming a micro lens. CONSTITUTION: A plurality of light sensing parts(110) are formed on a semiconductor substrate(100). A bottom insulation layer is formed on the semiconductor substrate. A top insulation layer(140) is formed on the bottom insulation layer. The top insulation layer includes a pad. A trench is formed on the top insulation layer corresponding to the light sensing part. A color filter(150) is formed in the trench to correspond to the light sensing part. A lens layer is formed on the top of the color filter. A dummy lens is formed on the lens layer corresponding to the color filter. The lens layer is etched through an etching process using the dummy lens as an etch mask. A micro lens is formed.
    • 目的:提供一种用于制造图像传感器的方法,通过在形成微透镜之后进行衬垫打开处理来简化衬垫的曝光过程。 构成:在半导体衬底(100)上形成多个感光部(110)。 在半导体衬底上形成底部绝缘层。 顶部绝缘层(140)形成在底部绝缘层上。 顶部绝缘层包括垫。 在对应于光感测部分的顶部绝缘层上形成沟槽。 在沟槽中形成滤色器(150)以对应于感光部分。 透镜层形成在滤色器的顶部。 在对应于滤色器的透镜层上形成虚设透镜。 通过使用伪透镜作为蚀刻掩模的蚀刻工艺来蚀刻透镜层。 形成微透镜。