JPH03149809A - Manufacture of semiconductor - Google Patents

Manufacture of semiconductor

Info

Publication number
JPH03149809A
JPH03149809A JP1289476A JP28947689A JPH03149809A JP H03149809 A JPH03149809 A JP H03149809A JP 1289476 A JP1289476 A JP 1289476A JP 28947689 A JP28947689 A JP 28947689A JP H03149809 A JPH03149809 A JP H03149809A
Authority
JP
Japan
Prior art keywords
mirror
pattern
mask
masks
optical system
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP1289476A
Other languages
Japanese (ja)
Inventor
Hiroaki Tsugane
津金 宏昭
Yoshinobu Toyama
義信 外山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP1289476A priority Critical patent/JPH03149809A/en
Publication of JPH03149809A publication Critical patent/JPH03149809A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)

Abstract

PURPOSE:To form a resist pattern without defect by mounting two or more masks of the same pattern, providing an optical system capable of exposing two or more masks simultaneously, and exposing one mask with light from other mask if a foreign matter is made to adhere to one mask. CONSTITUTION:A reflection type projecting exposure device has an optical system capable of simultaneously exposing two or masks 3, 4 with two or masks 3, 4 of the same pattern mounted. For example, an exposure light beam 1 is branched by a half mirror 2 into two systems, one of which is totally reflected from a mirror 6 to form the pattern of the mask 4 on a half mirror 7. The other exposure light beam is totally reflected from a mirror 5 to form the pattern of the mask 3 on the mirror 7. The pattern combined by the mirror 7 is totally reflected by a trapezoidal mirror 8, a concave mirror 9 and a convex mirror 10, and a no defect pattern is focused on a semiconductor substrate 11.

Description

【発明の詳細な説明】 〔産業上の利川分野〕 本発明は、半導体製造装置、特に、反射型投影露光装置
の光学系の構造に関する。 〔発明の概要〕 本発明は、半導体製造装置、特に、反射型投影露光装置
において、2枚以上のマスクを装着し、2枚以上のマス
クを同時に、−光する事ができる光学系を備えることに
よって、無欠陥のレジストパターンの形成を可能にさせ
るものである。 〔従来の技術〕 従来の半導体製造装置は、特に、反射型投影露光装置の
光学系は、第2図にあるように、台形ミラー12、凹面
鏡13、凸面鏡14で反射させ半導体基板15に1枚の
マスク16のパターンしか露光できない構造であった。 〔発明が解決しようとする課題〕 しかし、前述第2図の構造では、1枚のマスクしか露光
できないため、1枚のマスクに異物が付着した場合、そ
の異物がそのまま転写されパターン欠陥となる問題を有
していた。 そこで、本発明はこの様な問題点を解決するため、同一
パターンの2枚以上のマスクを装着し、上記2枚以上の
マスクを同時に露光する事ができる光学系を備えること
によって、1枚のマスクに付着した異物によるパターン
欠陥を、他のマスクからの光で露光させることで無欠陥
のレジストパターンの形成を可能にさせることを目的と
している。 〔課題を解決するための手段〕 本発明の半導体製造装置は、反射型投影露光装置におい
て、同一パターンの2枚以上のマスクを装着し、上記2
枚以上のマスクを同時に露光する事ができる光学系を備
えたことを特徴とする特*実 施 例〕 第1v!Jは、本発明の実施例に都ける断面図であり、
1は露光光線、2は露光光線を2つに分岐させるハーフ
ミラ−,3は1枚目のマスク、4はマスク3と同一パタ
ーンの2枚1のマスク、5.6は露光光線1を全反射す
るミラー、7はマスク3とマスク4の2つのパターン像
を合成させるハーフミラ−,8は台形ミラー、9は凹面
鏡、10は凸面鏡、11は半導体基板である。 露光光線1は、ハーフミラ−2で2系統に分岐され、片
方はミラー6で全反射されマスク4のパターンをハーフ
ミラーフに作る。又、もう一方の露光光線はマスク3の
パターンをミラー5で全反射し、上記ハーフミラーフに
作る。上記ハーフミラーフで合成されたパターンは、台
形ミラー8、凹面鏡9、凸面鏡10で全反射され、無欠
陥パターンを半導体基板11に結像することを可能にし
た。 なお、半導体基板はガラス基板等の使用も可能である。 又、マスクも2枚だけでなく3枚以上でも可能である。 〔発明の効果〕   以上述べた様に、本発明によれば同一パターンの2枚以
上のマスクを装着し、上記2枚以上のマスクを同時に露
光する事ができるマスク光学系を備えたことにより、無
欠陥のレジストパターンの形成を可能にさせる効果を有
する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Field in Icheon] The present invention relates to a semiconductor manufacturing apparatus, particularly to the structure of an optical system of a reflection type projection exposure apparatus. [Summary of the Invention] The present invention provides a semiconductor manufacturing apparatus, particularly a reflective projection exposure apparatus, equipped with an optical system capable of attaching two or more masks and simultaneously illuminating the two or more masks. This makes it possible to form a defect-free resist pattern. [Prior Art] As shown in FIG. 2, a conventional semiconductor manufacturing apparatus, particularly an optical system of a reflection type projection exposure apparatus, uses a trapezoidal mirror 12, a concave mirror 13, and a convex mirror 14 to reflect light onto a semiconductor substrate 15. The structure was such that only the pattern of the mask 16 could be exposed. [Problems to be Solved by the Invention] However, with the structure shown in FIG. 2, only one mask can be exposed, so if foreign matter adheres to one mask, the foreign matter will be directly transferred and cause a pattern defect. It had Therefore, in order to solve these problems, the present invention is equipped with an optical system that can attach two or more masks with the same pattern and expose the two or more masks simultaneously. The purpose of this method is to make it possible to form a defect-free resist pattern by exposing pattern defects caused by foreign matter attached to a mask to light from another mask. [Means for Solving the Problems] The semiconductor manufacturing apparatus of the present invention is a reflection type projection exposure apparatus, in which two or more masks with the same pattern are attached, and the above two
Special implementation example characterized by being equipped with an optical system that can simultaneously expose more than one mask] 1st v! J is a sectional view according to an embodiment of the present invention,
1 is the exposure light beam, 2 is a half mirror that splits the exposure light beam into two, 3 is the first mask, 4 is 2 masks with the same pattern as mask 3, and 5.6 is the total reflection of the exposure light beam 1. 7 is a half mirror for synthesizing the two pattern images of masks 3 and 4, 8 is a trapezoidal mirror, 9 is a concave mirror, 10 is a convex mirror, and 11 is a semiconductor substrate. The exposure light beam 1 is branched into two lines by a half mirror 2, and one is totally reflected by a mirror 6 to form a pattern of a mask 4 in a half mirror pattern. The other exposure light beam is totally reflected on the pattern of the mask 3 by the mirror 5 to form the above-mentioned half mirror. The pattern synthesized by the half mirror is totally reflected by the trapezoidal mirror 8, concave mirror 9, and convex mirror 10, making it possible to image a defect-free pattern on the semiconductor substrate 11. Note that a glass substrate or the like can also be used as the semiconductor substrate. Furthermore, it is possible to use not only two masks but also three or more masks. [Effects of the Invention] As described above, according to the present invention, by providing a mask optical system that can attach two or more masks with the same pattern and simultaneously expose the two or more masks, This has the effect of making it possible to form a defect-free resist pattern.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の一実施例の−主要断面図であり、−節
2図は従来の主要断面図である。 1・・・・・・露光光線 2.7・・・・ハーフミラ− 3,4,16Φマスク 5.6・・・・ミラー 8.1−2・・・台形−ミラー 9.13・・!凹面鏡 10.14・・凸面鏡 11.15・・半導体基板 −以 上 出願人 セイコーエプソン株式会社 代理人 弁理士 鈴 木 喜三部(他1名)−フ   
 と611,11 &jラー
FIG. 1 is a main sectional view of an embodiment of the present invention, and FIG. 2 is a main sectional view of a conventional device. 1...Exposure beam 2.7...Half mirror 3,4,16Φ mask 5.6...Mirror 8.1-2...Trapezoid mirror 9.13...! Concave mirror 10.14... Convex mirror 11.15... Semiconductor substrate - Applicant Seiko Epson Co., Ltd. Agent Patent attorney Kizobe Suzuki (and 1 other person) - F
and 611,11 &j.

Claims (1)

【特許請求の範囲】[Claims]  反射型投影露光装置において、同一パターンの2枚以
上のマスクを装着し、上記2枚以上のマスクを同時に露
光する事ができる光学系を備えた事を特徴とする半導体
製造装置。
A semiconductor manufacturing apparatus, which is a reflection type projection exposure apparatus, and is equipped with an optical system capable of attaching two or more masks having the same pattern and exposing the two or more masks simultaneously.
JP1289476A 1989-11-07 1989-11-07 Manufacture of semiconductor Pending JPH03149809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1289476A JPH03149809A (en) 1989-11-07 1989-11-07 Manufacture of semiconductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1289476A JPH03149809A (en) 1989-11-07 1989-11-07 Manufacture of semiconductor

Publications (1)

Publication Number Publication Date
JPH03149809A true JPH03149809A (en) 1991-06-26

Family

ID=17743768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1289476A Pending JPH03149809A (en) 1989-11-07 1989-11-07 Manufacture of semiconductor

Country Status (1)

Country Link
JP (1) JPH03149809A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1255164B1 (en) * 2001-05-04 2007-07-18 ASML Netherlands B.V. Lithographic apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1255164B1 (en) * 2001-05-04 2007-07-18 ASML Netherlands B.V. Lithographic apparatus

Similar Documents

Publication Publication Date Title
EP0496891A4 (en) Method and device for optical exposure
EP0964307A3 (en) Projection exposure apparatus and method
EP0964282A3 (en) Projection exposure apparatus with a catadioptric projection optical system
EP1039511A4 (en) Projection exposure method and projection aligner
JP2866243B2 (en) Projection exposure apparatus and method of manufacturing semiconductor device
JPH1079337A5 (en)
TW343357B (en) Projection exposure device, projection exposure method, mask pattern for amplitude aberration evaluation, amplitude aberration evaluation method
JPH03149809A (en) Manufacture of semiconductor
JP2004158786A5 (en)
JPH03183115A (en) Semiconductor manufacturing apparatus
JPH0336716A (en) Semiconductor manufacturing device
JPS63174046A (en) exposure equipment
JP2894922B2 (en) Projection exposure method and apparatus
JPS6127548A (en) Non-contact type exposing device
JPH0648503Y2 (en) Reflective real projector
JP2756700B2 (en) Reflective illumination type projector
JPH04174846A (en) Mask protection member
JPS62142322A (en) Projection optical device
JPH05198477A (en) Exposure apparatus and semiconductor device manufacturing method
JPH0357209A (en) Reduction-production type aligner
JPS63115213U (en)
JPH0312914A (en) Exposure of pattern
JPH06124875A (en) Lighting equipment
JPS6382933U (en)
JPS6157519U (en)