JP7416090B2 - 光学装置、露光装置、フラットパネルディスプレイの製造方法、及びデバイス製造方法 - Google Patents
光学装置、露光装置、フラットパネルディスプレイの製造方法、及びデバイス製造方法 Download PDFInfo
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K2103/54—Glass
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/20—Changing the shape of the active layer in the devices, e.g. patterning
- H10K71/231—Changing the shape of the active layer in the devices, e.g. patterning by etching of existing layers
- H10K71/233—Changing the shape of the active layer in the devices, e.g. patterning by etching of existing layers by photolithographic etching
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- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
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Description
本願は、2020年1月10日に出願された米国特許仮出願第62/959,178号に基づき優先権を主張し、その内容をここに援用する。
Claims (16)
- 基板上に所定パターンを露光する露光装置において、
光源と、
前記光源からの光を、前記所定パターンを記述したパターンデータに基づいて空間変調する空間光変調器と、
空間変調された前記光を前記基板へ投影する投影光学系と、
前記光源から順次発振された前記光の光路を切り替えて、複数設けられた前記空間光変調器に順に導く光路切替え機と、を備え、
前記光路切替え機は、前記光路を第1光路と第2光路とのどちらか一方へ切り替える第1切替え機と、前記第1光路へ導かれた前記光を複数の前記空間光変調器のうち第1群の空間光変調器へ導き、前記第2光路へ導かれた前記光を複数の前記空間光変調器のうち第2群の空間光変調器へ導く第2切替え機と、を有する、露光装置。 - 前記第1切替え機は、前記光源から第1期間内に発振された前記光を前記第1光路へ導く第1領域と、前記光源から前記第1期間とは異なる第2期間内に発振された前記光を前記第2光路へ導く第2領域と、を有する、請求項1に記載の露光装置。
- 前記第2切替え機は、第3期間に、前記第1光路へ導かれた前記光の光路を、前記第1群の空間光変調器のそれぞれに順次切り替え、前記第3期間とは異なる第4期間に、前記第2光路へ導かれた前記光の光路を、前記第2群の空間光変調器のそれぞれに順次、切り替える、請求項2に記載の露光装置。
- 前記第1領域は、前記光を反射し、
前記第2領域は、前記光を透過する、請求項2に記載の露光装置。 - 前記第1領域は、前記光に対して第1角度に傾けて設けられ、前記光を反射して前記光を前記第1光路へ導き、
前記第2領域は、前記光に対して前記第1角度とは異なる第2角度に傾けて設けられ、前記光を反射して前記光を前記第2光路へ導く、請求項2に記載の露光装置。 - 前記第2切替え機は、前記第1群の空間光変調器へ前記光を反射させる第一反射面と、前記第2群の空間光変調器へ前記光を反射させる第二反射面と、を有する、請求項1から5の何れか一項に記載の露光装置。
- 前記第2切替え機は、前記第1群の空間光変調器へ前記光を導く第一切替え機と、前記第2群の空間光変調器へ前記光を導く第二切替え機と、を有する、請求項1から5の何れか一項に記載の露光装置。
- 前記パターンデータを前記空間光変調器へ送信するデータ送信部、を備え、
前記空間光変調器は、露光中に前記基板が移動される第1方向と交差する第2方向に複数並んで設けられた第1空間光変調器と第2空間光変調器とを有し、
前記データ送信部は、前記パターンデータを、前記第1空間光変調器へ送信される第1パターンデータと、前記第2空間光変調器へ送信される第2パターンデータとに分割し、前記第1パターンデータと前記第2パターンデータとの前記第1方向に関する位置を相対的にシフトさせる、請求項1から7の何れか一項に記載の露光装置。 - 前記パターンデータを前記空間光変調器へ送信するデータ送信部、を備え、
前記空間光変調器は、第1空間光変調器と第2空間光変調器とを有し、
前記データ送信部は、前記パターンデータを、前記第1空間光変調器へ送信される第1パターンデータと、前記第2空間光変調器へ送信される第2パターンデータとに分割し、前記第1パターンデータと前記第2パターンデータとの位置を相対的にシフトさせる、請求項1から7の何れか一項に記載の露光装置。 - 前記第2切替え機は、ポリゴンミラーである、請求項1から9の何れか一項に記載の露光装置。
- 前記投影光学系は、
前記第1群の空間光変調器のそれぞれにより空間変調された前記光を前記基板に投影する、前記第1群の空間光変調器のそれぞれに対応する第1群の投影光学系と、
前記第2群の空間光変調器のそれぞれにより空間変調された前記光を前記基板に投影する、前記第2群の空間光変調器のそれぞれに対応する第2群の投影光学系と、を有する、請求項1から10の何れか一項に記載の露光装置。 - 第1方向へ移動中の基板に対して、前記第1方向と交差する第2方向に並んで配置された第1空間光変調器と第2空間光変調器とを有する空間光変調器を介して、所定パターンを露光する露光装置において、
光源と、
前記所定パターンに基づいて記述されるパターンデータを前記第1空間光変調器および前記第2空間光変調器へ送信するデータ送信部、
前記パターンデータの一部であり前記データ送信部により送信された第1パターンデータに基づいて前記第1空間光変調器により空間変調された前記光源からの光を前記基板へ投影する第1投影光学系と、
前記パターンデータの他部であり前記データ送信部により送信された第2パターンデータに基づいて前記第2空間光変調器により空間変調された前記光を前記基板へ投影する第2投影光学系と、
前記光源から順次発振された前記光の光路を切り替えて、前記第1空間光変調器、前記第2空間光変調器の順に導く光路切替え機と、を備え、
前記データ送信部は、前記パターンデータを、前記第1パターンデータと、前記第2パターンデータとに分割し、前記第1パターンデータと前記第2パターンデータとの前記第1方向に関する位置を相対的にシフトさせる、露光装置。 - 前記光源と、前記空間光変調器と、前記光路切替え機との少なくとも2つを同期させるマスタークロックを発する発振器を備える、請求項1から12の何れか一項に記載の露光装置。
- 複数の前記光源からそれぞれ発せられた前記光を合成する合成器を、さらに備え、
前記光路切替え機は、前記合成器により合成された前記光の前記光路を切り替える、請求項1から13の何れか一項に記載の露光装置。 - 請求項1から14の何れか一項に記載の露光装置を用いて前記基板を露光することと、露光された前記基板を現像することと、を含むフラットパネルディスプレイの製造方法。
- 請求項1から14の何れか一項に記載の露光装置を用いて前記基板を露光することと、
露光された前記基板を現像することと、を含むデバイス製造方法。
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