Method of making memory wordline hard mask extension
    2.
    发明授权
    Method of making memory wordline hard mask extension 有权
    制作内存字线硬掩模扩展的方法

    公开(公告)号:US06479348B1

    公开(公告)日:2002-11-12

    申请号:US10109516

    申请日:2002-08-27

    IPC分类号: H01L218247

    CPC分类号: H01L27/11568 H01L27/115

    摘要: A manufacturing method is provided for an integrated circuit memory with closely spaced wordlines formed by using hard mask extensions. A charge-trapping dielectric material is deposited over a semiconductor substrate and first and second bitlines are formed therein. A wordline material and a hard mask material are deposited over the wordline material. A photoresist material is deposited over the hard mask material and is processed to form a patterned photoresist material. The hard mask material is processed using the patterned photoresist material to form a patterned hard mask material. The patterned photoresist is then removed. A hard mask extension material is deposited over the wordline material and is processed to form a hard mask extension. The wordline material is processed using the patterned hard mask material and the hard mask extension to form a wordline, and the patterned hard mask material and the hard mask extension are then removed.

    摘要翻译: 提供了一种用于通过使用硬掩模延伸部形成的具有紧密间隔的字线的集成电路存储器的制造方法。 在半导体衬底上沉积电荷俘获电介质材料,并在其中形成第一和第二位线。 字线材料和硬掩模材料沉积在字线材料上。 光致抗蚀剂材料沉积在硬掩模材料上并被处理以形成图案化的光致抗蚀剂材料。 使用图案化的光致抗蚀剂材料处理硬掩模材料以形成图案化的硬掩模材料。 然后去除图案化的光致抗蚀剂。 硬掩模延伸材料沉积在字线材料上并被处理以形成硬掩模延伸部。 使用图案化的硬掩模材料和硬掩模延伸部来处理字线材料以形成字线,然后去除图案化的硬掩模材料和硬掩模延伸部。

    Method of manufacturing a semiconductor memory with deuterated materials
    4.
    发明授权
    Method of manufacturing a semiconductor memory with deuterated materials 有权
    用氘代材料制造半导体存储器的方法

    公开(公告)号:US06884681B1

    公开(公告)日:2005-04-26

    申请号:US10672093

    申请日:2003-09-26

    IPC分类号: H01L21/336 H01L21/8246

    CPC分类号: H01L27/11568 H01L29/66833

    摘要: A method for manufacturing a MirrorBit® Flash memory includes providing a semiconductor substrate and successively depositing a first insulating layer, a charge-trapping layer, and a second insulating layer. First and second bitlines are implanted and wordlines are formed before completing the memory. Spacers are formed between the wordlines and an inter-layer dielectric layer is formed over the wordlines. One or more of the second insulating layer, wordlines, spacers, and inter-layer dielectric layers are deuterated, replacing hydrogen bonds with deuterium, thus improving data retention and substantially reducing charge loss.

    摘要翻译: 一种用于制造MirrorBit(闪存)闪存的方法包括:提供半导体衬底,并依次沉积第一绝缘层,电荷俘获层和第二绝缘层。 植入第一和第二位线,并在完成内存之前形成字线。 在字线之间形成间隔,并且在字线之间形成层间电介质层。 第二绝缘层,字线,间隔层和层间电介质层中的一个或多个被氘化,用氘替代氢键,从而改善数据保留并显着降低电荷损失。

    Semiconductor memory with deuterated materials
    5.
    发明授权
    Semiconductor memory with deuterated materials 有权
    具有氘化材料的半导体存储器

    公开(公告)号:US06670241B1

    公开(公告)日:2003-12-30

    申请号:US10128771

    申请日:2002-04-22

    IPC分类号: H01L21336

    CPC分类号: H01L27/11568 H01L29/66833

    摘要: A device and method for manufacturing thereof for a MirrorBit® Flash memory includes providing a semiconductor substrate and successively depositing a first insulating layer, a charge-trapping layer, and a second insulating layer. First and second bitlines are implanted and wordlines are formed before completing the memory. Spacers are formed between the wordlines and an inter-layer dielectric layer is formed over the wordlines. One or more of the second insulating layer, wordlines, spacers, and inter-layer dielectric layers are deuterated, replacing hydrogen bonds with deuterium, thus improving data retention and substantially reducing charge loss.

    摘要翻译: 用于制造MirrorBit(闪存)闪存的器件及其制造方法包括:提供半导体衬底,并依次沉积第一绝缘层,电荷俘获层和第二绝缘层。 植入第一和第二位线,并在完成内存之前形成字线。 在字线之间形成间隔,并且在字线之间形成层间电介质层。 第二绝缘层,字线,间隔层和层间电介质层中的一个或多个被氘化,用氘替代氢键,从而改善数据保留并显着降低电荷损失。

    Flash memory with controlled wordline width
    8.
    发明授权
    Flash memory with controlled wordline width 失效
    具有受控字线宽度的闪存

    公开(公告)号:US06653190B1

    公开(公告)日:2003-11-25

    申请号:US10023436

    申请日:2001-12-15

    IPC分类号: H01L21336

    CPC分类号: H01L27/11568 H01L27/115

    摘要: A method of manufacturing for a MirrorBit® Flash memory includes depositing a charge-trapping material over a semiconductor substrate and implanting first and second bitlines in the semiconductor substrate. A wordline material is deposited over the charge-trapping dielectric material and a hard mask material deposited thereon. An anti-reflective coating (ARC) material is deposited on the hard mask material and a photoresist material is deposited on the ARC followed by processing the photoresist material and the ARC material to form a photomask of a patterned photoresist and a patterned ARC. The hard mask material is processed using the photomask to form a hard mask. The patterned photoresist is removed and then the patterned ARC without damaging the hard mask or the wordline material. The wordline material is processed using the hard mask to form a wordline and the hard mask is removed without damaging the wordline or the charge-trapping material.

    摘要翻译: 用于MirrorBit(闪存)闪存的制造方法包括在半导体衬底上沉积电荷捕获材料并在半导体衬底中注入第一和第二位线。 字线材料沉积在电荷俘获电介质材料上并沉积在其上的硬掩模材料。 将抗反射涂层(ARC)材料沉积在硬掩模材料上,并且将光致抗蚀剂材料沉积在ARC上,随后处理光致抗蚀剂材料和ARC材料以形成图案化光致抗蚀剂和图案化ARC的光掩模。 使用光掩模处理硬掩模材料以形成硬掩模。 去除图案化的光致抗蚀剂,然后去除图案化的ARC,而不损坏硬掩模或字线材料。 使用硬掩模处理字线材料以形成字线,并且去除硬掩模而不损坏字线或电荷捕获材料。