CN106449689A - 带聚酰亚胺垫层的帧转移可见光ccd - Google Patents

带聚酰亚胺垫层的帧转移可见光ccd Download PDF

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Publication number
CN106449689A
CN106449689A CN201610993256.6A CN201610993256A CN106449689A CN 106449689 A CN106449689 A CN 106449689A CN 201610993256 A CN201610993256 A CN 201610993256A CN 106449689 A CN106449689 A CN 106449689A
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layer
light ccd
titanium
transfer visible
polyimides
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张故万
罗春林
伍明娟
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CETC 44 Research Institute
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CETC 44 Research Institute
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/14Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
    • H01L27/144Devices controlled by radiation
    • H01L27/146Imager structures
    • H01L27/148Charge coupled imagers
    • H01L27/14806Structural or functional details thereof

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Solid State Image Pick-Up Elements (AREA)

Abstract

一种带聚酰亚胺垫层的帧转移可见光CCD,所述帧转移可见光CCD由衬底层、二氧化硅层、氮化硅层、多晶硅层、硼磷硅玻璃层、氮化钛层、钛层、铝层和聚酰亚胺垫层组成;本发明的有益技术效果是:提出了一种带聚酰亚胺垫层的帧转移可见光CCD,通过在铝层和氮化钛层之间加入钛层,有效提高了铝层与下层结构的附着性,避免了起层现象出现。

Description

带聚酰亚胺垫层的帧转移可见光CCD
技术领域
本发明涉及一种帧转移可见光CCD,尤其涉及一种带聚酰亚胺垫层的帧转移可见光CCD。
背景技术
现有技术中,常见的帧转移可见光CCD上,为了防止制作过程中,用于电连接的铝层向底层扩散,一般用氮化钛层来将铝层与底层隔离;随着技术的进步,现有技术中演生出了一种带聚酰亚胺垫层的帧转移可见光CCD,即在帧转移可见光CCD表面设置一聚酰亚胺垫层,聚酰亚胺垫层起缓冲保护作用,以防止帧转移可见光CCD与光耦器件的发光部接触时对帧转移可见光CCD造成损伤,从而使帧转移可见光CCD可以与光耦器件直接接触;带聚酰亚胺垫层的帧转移可见光CCD母片制作好后,需要进行划片处理,以获得多个带聚酰亚胺垫层的帧转移可见光CCD,划片后,发明人发现,在单个帧转移可见光CCD的边沿普遍出现铝层翻起现象,严重时,铝层及其上层结构直接脱落。
发明内容
针对背景技术中的问题,本发明提出了一种带聚酰亚胺垫层的帧转移可见光CCD,其改进在于:所述帧转移可见光CCD由衬底层、二氧化硅层、氮化硅层、多晶硅层、硼磷硅玻璃层、氮化钛层、钛层、铝层和聚酰亚胺垫层组成;所述衬底层、二氧化硅层、氮化硅层、多晶硅层、硼磷硅玻璃层、氮化钛层、钛层、铝层和聚酰亚胺垫层依次层叠在一起形成帧转移可见光CCD。
本发明的原理是:为了解决背景技术中的问题,发明人对残品进行了分析,经分析发现,引起铝层翻起的原因是,铝与聚酰亚胺的附着性要强于铝与氮化钛的附着性,划片处理后,聚酰亚胺边沿会在自身的材料应力作用下出现翘曲变形,铝层就会在聚酰亚胺垫层的带动下向上翻起,从而导致铝层与氮化钛层剥离;在找到了原因后,为了加强铝层与下层结构的附着性,发明人在铝层和氮化钛层之间加入了钛层,经试验验证,在加入了钛层后,铝层和下层结构的附着性得到了明显加强,可以有效抵消聚酰亚胺的材料应力,避免起层现象出现。
本发明的有益技术效果是:提出了一种带聚酰亚胺垫层的帧转移可见光CCD,通过在铝层和氮化钛层之间加入钛层,有效提高了铝层与下层结构的附着性,避免了起层现象出现。
附图说明
图1、本发明的结构示意图;
图2、帧转移可见光CCD芯片顶面示意图;
图中各个标记所对应的名称分别为:衬底层1、二氧化硅层2、氮化硅层3、多晶硅层4、硼磷硅玻璃层5、氮化钛层6、钛层7、铝层8、聚酰亚胺垫层9、帧转移可见光CCD10、划片道11。
具体实施方式
一种带聚酰亚胺垫层的帧转移可见光CCD,其改进在于:所述帧转移可见光CCD由衬底层1、二氧化硅层2、氮化硅层3、多晶硅层4、硼磷硅玻璃层5、氮化钛层6、钛层7、铝层8和聚酰亚胺垫层9组成;所述衬底层1、二氧化硅层2、氮化硅层3、多晶硅层4、硼磷硅玻璃层5、氮化钛层6、钛层7、铝层8和聚酰亚胺垫层9依次层叠在一起形成帧转移可见光CCD。

Claims (1)

1.一种带聚酰亚胺垫层的帧转移可见光CCD,其特征在于:所述帧转移可见光CCD由衬底层(1)、二氧化硅层(2)、氮化硅层(3)、多晶硅层(4)、硼磷硅玻璃层(5)、氮化钛层(6)、钛层(7)、铝层(8)和聚酰亚胺垫层(9)组成;所述衬底层(1)、二氧化硅层(2)、氮化硅层(3)、多晶硅层(4)、硼磷硅玻璃层(5)、氮化钛层(6)、钛层(7)、铝层(8)和聚酰亚胺垫层(9)依次层叠在一起形成帧转移可见光CCD。
CN201610993256.6A 2016-11-11 2016-11-11 带聚酰亚胺垫层的帧转移可见光ccd Pending CN106449689A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106981496A (zh) * 2017-04-05 2017-07-25 中国电子科技集团公司第四十四研究所 用于帧转移可见光ccd的输出放大器及制作方法

Citations (6)

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EP0552969A1 (en) * 1992-01-22 1993-07-28 Sharp Kabushiki Kaisha A clear-mould solid-state imaging device using a charge coupled device
US5350490A (en) * 1992-02-21 1994-09-27 Samsung Electronics Ltd. Forming a color filter on a semiconductor substrate
US5483090A (en) * 1993-04-09 1996-01-09 Sanyo Electric Co., Ltd. Solid-state image pickup device and method for manufacturing such device
US20020058350A1 (en) * 2000-11-13 2002-05-16 Samsung Electronics Co., Ltd. Solid state image sensor and method of manufacturing the same
CN101409214A (zh) * 2007-10-10 2009-04-15 株式会社半导体能源研究所 制造半导体器件的方法
CN102005464A (zh) * 2009-09-01 2011-04-06 台湾积体电路制造股份有限公司 像素区域上具有电容器的背照式图像传感器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552969A1 (en) * 1992-01-22 1993-07-28 Sharp Kabushiki Kaisha A clear-mould solid-state imaging device using a charge coupled device
US5350490A (en) * 1992-02-21 1994-09-27 Samsung Electronics Ltd. Forming a color filter on a semiconductor substrate
US5483090A (en) * 1993-04-09 1996-01-09 Sanyo Electric Co., Ltd. Solid-state image pickup device and method for manufacturing such device
US20020058350A1 (en) * 2000-11-13 2002-05-16 Samsung Electronics Co., Ltd. Solid state image sensor and method of manufacturing the same
CN101409214A (zh) * 2007-10-10 2009-04-15 株式会社半导体能源研究所 制造半导体器件的方法
CN102005464A (zh) * 2009-09-01 2011-04-06 台湾积体电路制造股份有限公司 像素区域上具有电容器的背照式图像传感器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106981496A (zh) * 2017-04-05 2017-07-25 中国电子科技集团公司第四十四研究所 用于帧转移可见光ccd的输出放大器及制作方法
CN106981496B (zh) * 2017-04-05 2019-08-27 中国电子科技集团公司第四十四研究所 用于帧转移可见光ccd的输出放大器及制作方法

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Application publication date: 20170222