KR970052199A - Method for forming conductive wiring in semiconductor device - Google Patents

Method for forming conductive wiring in semiconductor device Download PDF

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Publication number
KR970052199A
KR970052199A KR1019950046985A KR19950046985A KR970052199A KR 970052199 A KR970052199 A KR 970052199A KR 1019950046985 A KR1019950046985 A KR 1019950046985A KR 19950046985 A KR19950046985 A KR 19950046985A KR 970052199 A KR970052199 A KR 970052199A
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KR
South Korea
Prior art keywords
tungsten silicide
conductive wiring
forming
wiring layer
lower conductive
Prior art date
Application number
KR1019950046985A
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Korean (ko)
Inventor
김현수
이석규
Original Assignee
김주용
현대전자산업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김주용, 현대전자산업 주식회사 filed Critical 김주용
Priority to KR1019950046985A priority Critical patent/KR970052199A/en
Publication of KR970052199A publication Critical patent/KR970052199A/en

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Abstract

본 발명은 반도체소자의 도전배선 형성방법에 관한 것으로, 반도체기판 상부에 하부도전배선층을 형성하고 그 상부에 다량의 실리콘이 함유된 제1텅스텐 실리사이드를 소정두께 형성한 다음, 상기 제1텅스텐 실리사이드 상부에 제2텅스텐 실리사이드를 형성하고 도전배선마스크를 이용한 식각공정으로 패턴을 형성하여 하부도전배선층과 텅스텐 실리사이드로 형성된 도전배선을 형성함으로써 후속공정에서 발생되는 필링현상을 방지하고 소자의 동작특성을 향상시켜 반도체소자의 특성 및 신뢰성을 향상시키고 그에 따라 반도체소자의 고집적화를 가능하게 하는 기술이다.The present invention relates to a method of forming a conductive wiring of a semiconductor device, and a lower conductive wiring layer is formed on a semiconductor substrate, and a first thickness of a first tungsten silicide containing a large amount of silicon is formed thereon, and then the upper portion of the first tungsten silicide Second tungsten silicide is formed on the substrate, and a pattern is formed by an etching process using a conductive wiring mask to form a conductive wiring formed of a lower conductive wiring layer and tungsten silicide to prevent peeling from occurring in a subsequent process and to improve operation characteristics of the device. It is a technology that improves the characteristics and reliability of semiconductor devices and thereby enables high integration of semiconductor devices.

Description

반도체소자의 도전배선 형성방법Method for forming conductive wiring in semiconductor device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1A도 내지 제1C도는 본 발명의 실시에에 따른 반도체소자의 도전배선 형성공정을 도시한 단면도.1A to 1C are cross-sectional views showing a process for forming conductive wirings in a semiconductor device according to an embodiment of the present invention.

Claims (7)

반도체기판 상부에 하부도선배선층을 소정두께 형성하는 공정과, 상기 하부도전배선층 상부에 다량의 실리콘이 함유된 제1텅스텐 실리사이드를 일정두께 형성하는 공정과, 상기 제1텅스텐 실리사이드 상부이 제2텅스텐 실리사이드를 형성하는 공정과, 도전배선마스크를 이용한 식각공정으로 상기 제2텅스텐 실리사이드, 제1텅스텐 실리사이드 및 하부도전배선층을 순차적으로 식각하여 도전배선을 형성하는 공정을 포함하는 반도체소자의 도전배선 형성방법.Forming a predetermined thickness of the lower conductive wiring layer on the semiconductor substrate, forming a predetermined thickness of the first tungsten silicide containing a large amount of silicon on the lower conductive wiring layer, and forming a second tungsten silicide on the upper portion of the first tungsten silicide And forming a conductive wiring by sequentially etching the second tungsten silicide, the first tungsten silicide, and the lower conductive wiring layer by an etching process using a conductive wiring mask. 제1항에 있어서, 상기 하부도전배선층은 400 내지 700℃의 온도에서 인-수트 공정으로 도프된 다결정실리콘막으로 형성된 것을 특징으로 하는 반도체소자의 도전배선 형성방법.The method of claim 1, wherein the lower conductive wiring layer is formed of a polysilicon film doped in an in-suit process at a temperature of 400 to 700 ℃. 제1항에 있어서, 상기 제1텅스텐 실리사이드는 원자수가 2이상인 텅스텐 실리사이드(WSiX, X≥2)인 것을 특징으로 하는 반도체소자의 도전배선 형성방법.The method of claim 1, wherein the first tungsten silicide is tungsten silicide having two or more atoms (WSi X , X ≧ 2). 제1항에 있어서, 상기 제1텅스텐 실리사이드와 제2텅스텐 실리사이드는 DCS, MS, DS중의 한 가스와 WF6가스를 반응가스로 하여 형성된 것으로 400 내지 700℃의 온도에서 형성된 것을 특징으로 하는 반도체소자의 도전배선 형성방법.The semiconductor device of claim 1, wherein the first tungsten silicide and the second tungsten silicide are formed by using one gas of DCS, MS, or DS and a WF 6 gas as a reaction gas, and are formed at a temperature of 400 to 700 ° C. 3. Conductive wiring forming method. 제1항에 있어서, 상기 제1텅스텐 실리사이드 형성공정은 반응가스인 WF6의 유량을 2,0 내지 5.0 SCCM 그리고 DCS 유량을 150 내지 500SCCM으로 하여 실시되는 것을 특징으로 하는 반도체소자의 도전배선 형성방법.The method of claim 1, wherein the first tungsten silicide forming process is performed using a flow rate of 2,0 to 5.0 SCCM and a DCS flow rate of 150 to 500 SCCM for WF 6 as a reaction gas. . 제1항에 있어서, 상기 제1텅스텐 실리사이드는 300 내지 2000Å두께로 형성되는 것을 특징으로 하는 반도체소자의 도전배선 형성방법.The method of claim 1, wherein the first tungsten silicide is formed to have a thickness of about 300 to about 2000 microns. 제1항에 있어서, 상기 제2텅스텐 실리사이드 형성공정은 반응가스인 WF6의 유량을 3.0 내지 6.0SCCM 그리고 DCS 유량을 100 내지 400SCCM으로 하여 실시되는 것을 특징으로 하는 반도체소자의 도전배선 형성방법.The method of claim 1, wherein the second tungsten silicide forming step is performed using a flow rate of WF 6 as a reaction gas at 3.0 to 6.0 SCCM and a DCS flow rate at 100 to 400 SCCM. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950046985A 1995-12-06 1995-12-06 Method for forming conductive wiring in semiconductor device KR970052199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950046985A KR970052199A (en) 1995-12-06 1995-12-06 Method for forming conductive wiring in semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950046985A KR970052199A (en) 1995-12-06 1995-12-06 Method for forming conductive wiring in semiconductor device

Publications (1)

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KR970052199A true KR970052199A (en) 1997-07-29

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KR1019950046985A KR970052199A (en) 1995-12-06 1995-12-06 Method for forming conductive wiring in semiconductor device

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