JP2020145413A - 拡散接合により接合された基体を含む、部品を静電的に保持するための保持装置、およびその製造方法 - Google Patents
拡散接合により接合された基体を含む、部品を静電的に保持するための保持装置、およびその製造方法 Download PDFInfo
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6831—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using electrostatic chucks
- H01L21/6833—Details of electrostatic chucks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6831—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using electrostatic chucks
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
Description
Claims (16)
- 部品(1)、特にウェハを静電的に保持するように適合された保持装置(100)であって、
‐接合接続を介して平面的に互いに接続された基体プレート(11,12)の第1のペアを含む電気絶縁基体(10)、と、
‐静電保持力を生成し、接合接続に沿って前記基体プレート(11,12)の延伸部と平行に延びるように配置された、少なくとも1つの電極層(21,21A,21B,21C,21D)を備えた電極装置(20)、
を含み、
‐前記接合接続は、拡散接合接続(13)を含み、前記少なくとも1つの電極層(21,21A,21B,21C,21D)は、それぞれ隣接する前記基体プレート(11,12)に平面的に接続され、および、
‐前記少なくとも1つの電極層(21,21A,21B,21C,21D)は、前記少なくとも1つの電極層(21,21A,21B,21C,21D)の電気的接触のために配置された接触部(22,22A,22B,22C,22D)を有することを特徴とする、保持装置(100)。 - ‐前記電極装置(20)は、前記拡散接合接続(13)に沿って前記基体プレート(11,12)の延伸部と平行に延び、少なくとも1つの絶縁領域(14)によって互いに分離して配置される、少なくとも2つの電極層(21,21A,21B,21C,21D)を含み、
および、
‐前記基体プレート(11,12)は、直接または絶縁中間層を介して、前記拡散接合接続によって前記少なくとも1つの絶縁領域(14)で接続される、
請求項1に記載の保持装置(100)。 - ‐前記基体プレート(11,12)はそれぞれセラミック材料を含む、
請求項1または請求項2のいずれか一項に記載の保持装置。 - ‐前記基体プレート(11,12)はそれぞれ、窒化ケイ素、炭化ケイ素、酸化アルミニウム窒化ケイ素(SiAlON)、酸化アルミニウム、酸化チタン、酸化ジルコニウム、酸化イットリウム、酸窒化物ガラス、窒化アルミニウム、サファイア、アルミン酸塩、特にYAG(イットリウム・アルミナ・ガーネット)、ケイ酸塩、アルミノケイ酸塩、特にコージライト、およびガラスセラミック、またはそれらの複合物の少なくとも1つを含む、
請求項3に記載の保持装置。 - ‐前記電極層(21,21A,21B,21C,21D)はそれぞれ、金属、金属合金、半導体材料、または導電性セラミックを含む、
請求項1から請求項4のいずれか一項に記載の保持装置。 - ‐前記電極層(21,21A,21B,21C,21D)は、クロム、アルミニウム、チタン、タングステン、モリブデン、シリコン、マンガン、バナジウム、コバルト、ニッケル、金、銀、AgCuTi合金、モリブデン−マンガン合金、スズ金合金、共晶金シリコン合金、金属窒化物、窒化チタン、特にTiN、Ti2N、Ti3N4、窒化クロム、金属ケイ化物、特にケイ化モリブデン、および窒素(N)をドープした炭化ケイ素などの炭化物、の少なくとも1つを含む、
請求項5に記載の保持装置。 - ‐前記少なくとも1つの電極層(21,21A,21B,21C,21D)が前記基体プレート(11,12)の間に配置され、前記少なくとも1つの電極層(21,21A,21B,21C,21D)の原子が2つの隣接する前記基体プレート(11,12)に拡散配置される、
請求項1から請求項6のいずれか一項に記載の保持装置。 - ‐前記少なくとも1つの電極層(21,21A,21B,21C,21D)が、前記基体プレート(11,12)の1つに埋め込まれ、前記少なくとも1つの電極層(21,21A,21B,21C,21D)の原子は、前記拡散接合接続(13)が行われるそれぞれの隣接する前記基体プレート(11,12)に拡散して配置される、
請求項1から請求項6のいずれか一項に記載の保持装置。 - ‐すべての電極層(21,21A,21B,21C,21D)が一方の前記基体プレート(11,12)に埋め込まれ、前記すべての電極層(21,21A,21B,21C,21D)の原子が他方の前記基体プレート(11、12)に拡散して配置される、
請求項8に記載の保持装置。 - ‐前記基体(10)は、基体プレート(15,16)の第2のペアを含み、その間に前記電極装置(20)の少なくとも1つのさらなる電極層(23)が配置され、前記基体プレート(11,12)の第1のペアと同様に接合接続を有し、
‐前記少なくとも1つのさらなる電極層(23)は、前記少なくとも1つのさらなる電極層(23)と電気的に接触するように配置された接触部(24)を有し、
および、
‐前記基体プレート(11,12)の第1のペアおよび前記基体プレート(15,16)の第2のペアは、拡散接合接続を介して平面的に互いに接続され、プレートスタックを形成する、
請求項1から請求項9のいずれか一項に記載の保持装置。 - ‐前記第1のペアおよび前記第2のペアの基体プレート(11,12,15,16)の相互接続された基体プレートの少なくとも1つには、温度制御コンジット(17)が設けられている、
請求項10に記載の保持装置。 - 部品(1)、特に半導体ウェハを静電的に保持するように適合された保持装置(100)を製造するための方法であって、以下のステップ:
‐2つの基体プレート(11,12)の提供、
‐前記基体プレート(11,12)の少なくとも1つに、少なくとも1つの電極層(21,21A,21B,21C,21D)を提供し、前記少なくとも1つの電極層(21,21A,21B,21C,21D)は接触部(22,22A,22B,22C,22D)を有し、
‐前記基体プレート(11,12)を相互配置でプレスし、その際、前記接触部(22,22A,22B,22C,22D)を備えた前記少なくとも1つの電極層(21,21A,21B,21C,21D)が前記基体プレート(11,12)の間に配置され、前記少なくとも1つの電極層(21,21A,21B,21C,21D)および前記接触部(22,22A,22B,22C,22D)が隣接する基体プレート(11,12)に平面的に接続される拡散接合接続(13)を含む接合接続が形成される、
を含む、方法。 - ‐少なくとも2つの電極層(21,21A,21B,21C,21D)が前記基体プレート(11,12)の少なくとも1つに提供され、前記少なくとも2つの電極層(21,21A,21B,21C,21D)が少なくとも1つの絶縁領域(14)によって互いに分離して配置され、
‐前記基体プレート(11,12)は、直接または絶縁中間層を介して、前記拡散接合接続(13)によって前記少なくとも1つの絶縁領域(14)で接続される、
請求項12に記載の方法。 - 前記基体プレート(11,12)の少なくとも1つに、少なくとも2つの電極層(21,21A,21B,21C,21D)を設けることは、以下:
‐少なくとも1つの前記基体プレート(11,12)上での少なくとも1つの平面前駆体層の生成、
および、
‐前記少なくとも2つの電極層(21,21A,21B,21C,21D)および前記絶縁領域(14)を形成するための、前記少なくとも1つの平面前駆体層の構造化、
を含む、請求項13に記載の方法。 - さらなるステップ、
‐熱拡散による前記少なくとも1つの電極層(21,21A,21B,21C,21D)の少なくとも1つの前記基体プレート(11,12)への埋め込み、および、
‐前記少なくとも1つの電極層(21,21A,21B,21C,21D)の突出領域の除去、
を有する、請求項14に記載の方法。 - さらなるステップ、
‐関連する接触部(22,22A,22B,22C,22D)を接続線に接続することによる、前記少なくとも1つの電極層(21,21A,21B,21C,21D)への接触、
を有する、請求項12から請求項15のいずれか一項に記載の方法。
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