JPH0686872A - Manufacture of inner blade of electric razor - Google Patents

Manufacture of inner blade of electric razor

Info

Publication number
JPH0686872A
JPH0686872A JP23951692A JP23951692A JPH0686872A JP H0686872 A JPH0686872 A JP H0686872A JP 23951692 A JP23951692 A JP 23951692A JP 23951692 A JP23951692 A JP 23951692A JP H0686872 A JPH0686872 A JP H0686872A
Authority
JP
Japan
Prior art keywords
inner blade
base material
turntable
holder
high hardness
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
JP23951692A
Other languages
Japanese (ja)
Inventor
Yoshiaki Hoya
善章 宝谷
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP23951692A priority Critical patent/JPH0686872A/en
Publication of JPH0686872A publication Critical patent/JPH0686872A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To provide a manufacturing method for forming a coating film made of high hardness material uniformly and evenly on the inner blade of an electric razor. CONSTITUTION:In a vecuum chamber 1, an inner blade base material which is constituted so that each inner blade elementary piece is held on an inner blade holder is installed on the substrate holders 4a-4d, which are supported in a turnable manner on a turntable 2, and the substrate holders 4a-4d are revolved. Through the revolution around the rotary shaft of the turntable 2, atomic ions which form gas at the normal temperature are radiated on the inner blade substrate by an assisting ion gun 10, and the atoms of high hardness material are radiated on the inner substrate by an evaporation source 9, and a coat made of the high hardness material is formed.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、電気かみそりの内刃に
高硬度を有する材料の被膜を形成するための製造方法に
関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manufacturing method for forming a film of a material having high hardness on the inner blade of an electric shaver.

【0002】[0002]

【従来の技術】従来、この種の電気かみそりの内刃は、
まずステンレス鋼などの刃物素材に低摩耗性、及び低摩
擦性を有する被膜を形成した後、その刃物素材を打ち抜
き加工して内刃素片を成形し、そして、その内刃素片を
内刃ホルダにインサート成形し、内刃素片の先端部を研
削して高さを均一にした内刃を製造している。
2. Description of the Related Art Conventionally, the inner blade of this type of electric razor is
First, after forming a coating having low wear and low friction on a blade material such as stainless steel, the blade material is punched to form an inner blade piece, and then the inner blade piece is formed into an inner blade. An inner blade is manufactured by insert molding in a holder and grinding the tip of the inner blade element to make the height uniform.

【0003】しかしながら上記方法では、外刃と摺擦す
る内刃素片の先端面の被膜が研削により除去されてしま
う。このように内刃素片の先端に被膜が形成されない
と、外刃との摺擦による内刃素片先端の摩耗を早めると
ともに、外刃に対する内刃の摺動負荷を増大させて無駄
な電力を消費していた。
However, in the above method, the coating film on the tip end surface of the inner blade element that slides against the outer blade is removed by grinding. If a coating is not formed on the tip of the inner blade piece in this way, the wear of the tip of the inner blade piece due to rubbing against the outer blade is accelerated and the sliding load of the inner blade with respect to the outer blade is increased, resulting in unnecessary power consumption. Was consumed.

【0004】このため、例えば特開昭60−16368
0号公報に、内刃素片を内刃ホルダにインサート成形し
た状態で前記被膜を形成する方法が提案されている。
Therefore, for example, Japanese Patent Laid-Open No. 60-16368.
Japanese Unexamined Patent Publication No. 0 (1994) proposes a method of forming the coating in a state where the inner blade piece is insert-molded in the inner blade holder.

【0005】これにより、外刃と摺擦する内刃素片の先
端面に前記被膜が形成されることとなり、内刃の耐摩耗
性を向上させるとともに、消費電力を低減させることが
可能となった。
As a result, the coating film is formed on the tip surface of the inner blade element which slides against the outer blade, and the wear resistance of the inner blade can be improved and the power consumption can be reduced. It was

【0006】即ちこの従来技術は、まず真空容器内に、
内刃素片を内刃ホルダにインサート成形したもの(以
下、内刃母材と略記する)を収納し、真空排気を行って
から被膜形成のプロセスを行うものである。しかしなが
らこの従来技術においても、内刃素片と内刃ホルダとの
接合面のような入り組んだところには被膜が入り込まず
に、被膜を均一にムラなく形成することが難しい。
That is, in this prior art, first, in a vacuum container,
The inner blade piece is insert-molded in the inner blade holder (hereinafter, abbreviated as the inner blade base material), the vacuum blade is evacuated, and then the film forming process is performed. However, even in this conventional technique, it is difficult to form the coating evenly and evenly without the coating entering in a complicated place such as a joint surface between the inner blade element and the inner blade holder.

【0007】[0007]

【発明が解決しようとする課題】本発明は、上記問題点
に鑑みてなされたものであって、被膜を均一にムラなく
形成する製造方法を提供するものである。
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a manufacturing method for forming a film uniformly and evenly.

【0008】[0008]

【課題を解決するための手段】本発明は、真空チャンバ
内において、母材ホルダに、内刃素片を内刃ホルダに保
持させた内刃母材を装着し、この母材ホルダをターンテ
ーブルに回転可能に支持し、母材ホルダを自転させ、且
つターンテーブルの回転軸の周りに公転させながら、ア
シストイオンガンにより前記内刃母材に対して常温で気
体となる原子のイオンを照射し、且つ蒸発源により前記
内刃母材に対して高硬度材料の原子を放射することによ
って、高硬度材料からなる被膜を形成する電気かみそり
の内刃の製造方法である。
According to the present invention, in a vacuum chamber, a base material holder is fitted with an inner blade base material in which an inner blade piece is held by the inner blade holder, and the base material holder is used as a turntable. Rotatably supported, while rotating the base material holder and revolving around the rotation axis of the turntable, irradiating the inner blade base material with ions of atoms that become a gas at room temperature by an assist ion gun, Further, it is a method of manufacturing an inner blade of an electric razor, wherein an evaporation source radiates atoms of a high hardness material to the inner blade base material to form a coating film of the high hardness material.

【0009】[0009]

【作用】本発明の製造方法によれば、母材ホルダを自転
させ、且つターンテーブルの回転軸の周りに公転させな
がら高硬度材料からなる被膜を形成するものであるか
ら、母材ホルダに装着された内刃素片の表面全体に被膜
が行き渡り、均一にムラなく被膜を形成することができ
る。
According to the manufacturing method of the present invention, the base material holder is rotated, and a coating made of a high hardness material is formed while revolving around the rotation axis of the turntable. The coating film spreads over the entire surface of the formed inner blade element, and the coating film can be formed uniformly and evenly.

【0010】[0010]

【実施例】以下本発明の電気かみそりの内刃の製造方法
を図面の実施例について詳細に説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method of manufacturing an inner blade of an electric shaver according to the present invention will be described in detail below with reference to embodiments of the drawings.

【0011】図1は本発明の内刃製造装置の外観斜視
図、図2は図1の製造装置の正面図、図3は図1の製造
装置の上面図、図4は図1の製造装置における内刃母材
の装着を説明する要部断面図である。これらの図におい
て、1は10-5〜10-7Torrに排気される真空チャン
バ、2は該真空チャンバ1内の背面近傍において水平方
向の回転軸3の回りで回転自在に設けられたターンテー
ブル、4a〜4dは該ターンテーブル2表面において同
心円上に配置されそれ自身水平軸5a〜5dの回りで回
転自在に設けられた筒状の母材ホルダである。この母材
ホルダ4a〜4dの周側面は円形状に形成され、その周
側面に内刃ホルダ6と係合して内刃母材7を母材ホルダ
4a〜4dに装着可能とする係合ピン8が設けられてい
る。
FIG. 1 is an external perspective view of the inner blade manufacturing apparatus of the present invention, FIG. 2 is a front view of the manufacturing apparatus of FIG. 1, FIG. 3 is a top view of the manufacturing apparatus of FIG. 1, and FIG. 4 is the manufacturing apparatus of FIG. FIG. 6 is a sectional view of an essential part for explaining the mounting of the inner blade base material in FIG. In these figures, 1 is a vacuum chamber that is evacuated to 10 −5 to 10 −7 Torr, and 2 is a turntable that is rotatably provided around a horizontal rotating shaft 3 in the vicinity of the back surface of the vacuum chamber 1. Numerals 4a to 4d are cylindrical base material holders arranged concentrically on the surface of the turntable 2 and rotatably provided around the horizontal axes 5a to 5d themselves. The peripheral side surfaces of the base material holders 4a to 4d are formed in a circular shape, and an engagement pin that engages with the inner blade holder 6 on the peripheral side surface so that the inner blade base material 7 can be attached to the base material holders 4a to 4d. 8 are provided.

【0012】一方、9は高硬度材料としてのジルコニウ
ム(Zr)原子を電子ビームにより蒸発させ、これを母
材ホルダ4a〜4dに向けて放射する蒸発源であり、1
0は前記母材ホルダ4a〜4d方向に常温で気体となる
窒素原子のイオン(N+)を放射するか、あるいは窒素
ガス(N2)を供給するかのいずれかを行うことができ
るアシストイオンガンである。
On the other hand, reference numeral 9 denotes an evaporation source for evaporating zirconium (Zr) atoms as a high hardness material by an electron beam and radiating this to the base material holders 4a to 4d.
Reference numeral 0 denotes an assist ion gun capable of either radiating nitrogen atom ions (N + ) that become a gas at room temperature in the direction of the base material holders 4a to 4d or supplying nitrogen gas (N 2 ). Is.

【0013】次に前記ターンテーブル2と母材ホルダ4
a〜4dの回転機構について説明する。前記母材ホルダ
4a〜4dはその回転軸5a〜5dを前記ターンテーブ
ル2の回転軸3に歯車結合されており、ターンテーブル
2と回転軸3とはその動力伝達を適宜繋いだり、切り離
したりすることができるようにされている。即ち、前記
回転軸3はターンテーブル2の回転と母材ホルダ4a〜
4dの両方の回転を担っている。
Next, the turntable 2 and the base material holder 4
The rotation mechanisms a to 4d will be described. Rotation shafts 5a to 5d of the base material holders 4a to 4d are gear-coupled to the rotation shaft 3 of the turntable 2, and the turntable 2 and the rotation shaft 3 connect or disconnect power transmission thereof as appropriate. Has been made possible. That is, the rotary shaft 3 rotates the turntable 2 and the base material holders 4a to 4a.
It is responsible for both rotations of 4d.

【0014】また、各構成部品の寸法関係について説明
すると、前記チャンバ1は高さ1055mm、幅875mm
であり、直径770mmの前記ターンテーブル2の回転軸
3はこのチャンバ1の左上から水平方向、垂直方向に夫
々395mmずつ離れたところに位置し、直径280mmの
前記母材ホルダ4a〜4dの回転軸5a〜5dは前記回
転軸3を中心とする直径450mmの円周上に等間隔で位
置する。前記蒸発源9はチャンバ1の底面より178.
23mmの高さで側面より122.67mm離れた場所にセ
ットされる。
Explaining the dimensional relationship of each component, the chamber 1 has a height of 1055 mm and a width of 875 mm.
The rotary shaft 3 of the turntable 2 having a diameter of 770 mm is located at a distance of 395 mm from the upper left of the chamber 1 in the horizontal and vertical directions, and the rotary shafts of the base material holders 4a to 4d having a diameter of 280 mm. 5a-5d are located at equal intervals on a circle having a diameter of 450 mm centered on the rotary shaft 3. The evaporation source 9 is 178.
It is set at a height of 23 mm and 122.67 mm away from the side.

【0015】前記母材ホルダ4a〜4dは前記ターンテ
ーブル2の回転により、夫々図2の4dの位置に到達
し、ここで前記蒸発源9とアシストイオンガン10によ
る高硬度被膜の形成処理が行われる。この4dの位置は
前記ターンテーブル2の水平の中心線2aから58.2
5mm上方にあり、且つ母材ホルダ4dの中心線11は前
記中心線2aに対して15度の傾きを持った位置にあ
る。そして前記アシストイオンガン10の先端面は前記
母材ホルダ4dから300mm離れた位置にあり、これか
ら広がるビーム幅は母材ホルダ4dの端面で略直径15
0mmになる。
The base material holders 4a to 4d respectively reach the positions 4d in FIG. 2 by the rotation of the turntable 2, where the evaporation source 9 and the assist ion gun 10 form a high hardness coating. . The position of 4d is 58.2 from the horizontal center line 2a of the turntable 2.
It is 5 mm above and the center line 11 of the base material holder 4d is at a position inclined by 15 degrees with respect to the center line 2a. The tip surface of the assist ion gun 10 is at a position 300 mm away from the base material holder 4d, and the beam width diverging from this is approximately 15 mm at the end surface of the base material holder 4d.
It becomes 0 mm.

【0016】次に上記装置を用いて前記内刃母材7の表
面にZr被膜を形成する方法について説明する。
Next, a method of forming a Zr coating on the surface of the inner blade base material 7 using the above apparatus will be described.

【0017】まず、各母材ホルダ4a〜4dの周側面に
多数の内刃母材7を装着する。そして、真空チャンバ1
内を10-5〜10-7Torrに排気し、母材ホルダ4a〜4
dを1〜15rpmの速度で回転させながら、同時にター
ンテーブル2を1〜5rpmの速度で回転させる。即ち、
母材ホルダ4a〜4dは自転しながらターンテーブル2
の回転軸3の周りを公転するようになっている。この状
態で、アシストイオンガン10にN2ガスを供給し、N+
イオンを取り出して、これを回転中の母材ホルダ4a〜
4dに装着された各内刃母材7の表面に照射する。この
時のN+イオンの加速電圧は、700eV、イオン電流密
度は0.38mA/cm2に設定した。
First, a large number of inner blade base materials 7 are mounted on the peripheral side surfaces of the base material holders 4a to 4d. And the vacuum chamber 1
The inside is evacuated to 10 -5 to 10 -7 Torr and the base material holders 4 a to 4
While rotating d at a speed of 1 to 15 rpm, the turntable 2 is simultaneously rotated at a speed of 1 to 5 rpm. That is,
The base material holders 4a to 4d rotate around the turntable 2 while rotating.
It revolves around the rotation axis 3 of. In this state, the N 2 gas is supplied to the assist ion gun 10, N +
Ions are taken out and they are rotated in the base material holder 4a ...
The surface of each inner blade base material 7 mounted on 4d is irradiated. At this time, the acceleration voltage of N + ions was set to 700 eV and the ion current density was set to 0.38 mA / cm 2 .

【0018】一方、N+イオンの照射と同時に蒸発源9
を駆動し、Zr原子を蒸発させて前記母材ホルダ4a〜
4dに装着された各内刃母材7の表面に放射する。この
時のZrの蒸発速度は内刃素片12表面における成膜速
度に換算して1000Å/min設定した。
On the other hand, at the same time as the irradiation of N + ions, the evaporation source 9
Are driven to evaporate Zr atoms to cause the base material holders 4a ...
It radiates to the surface of each inner blade base material 7 attached to 4d. The evaporation rate of Zr at this time was set to 1000Å / min in terms of the film formation rate on the surface of the inner blade element 12.

【0019】以上の工程を2分から5分程度行い、内刃
素片12に膜厚0.025〜0.05μmのZrNの第
1薄膜層13を形成する(図5参照)。
The above steps are performed for about 2 to 5 minutes to form the first thin film layer 13 of ZrN having a film thickness of 0.025 to 0.05 μm on the inner blade piece 12 (see FIG. 5).

【0020】次にN+イオンの照射を止めて、前記アシ
ストイオンガン10よりN2を前記チャンバ1内に供給
するとともに、このN2雰囲気中で蒸発源9よりZr原
子を内刃母材7の表面に向かって放射する。この間も前
記母材ホルダ4a〜4d、及びターンテーブル2は回転
を続けている。そしてこの時のZrの蒸発速度は内刃素
片12表面における成膜速度に換算して1000Å/min
に設定した。
Next, the irradiation of N + ions is stopped, N 2 is supplied from the assist ion gun 10 into the chamber 1, and Zr atoms are supplied from the evaporation source 9 to the inner blade base metal 7 in this N 2 atmosphere. Emit to the surface. During this time, the base material holders 4a to 4d and the turntable 2 continue to rotate. The evaporation rate of Zr at this time is 1000 Å / min converted into the film formation rate on the surface of the inner blade element 12.
Set to.

【0021】以上の工程を25分から30分程度行い、
前記第1薄膜層13の表面に膜厚0.26〜0.29μ
mのZrNの第2薄膜層14を形成した。
The above steps are carried out for about 25 to 30 minutes,
The thickness of the first thin film layer 13 is 0.26 to 0.29 μm.
A second thin film layer 14 of ZrN of m was formed.

【0022】これらの工程の結果、内刃素片12表面に
膜厚0.3μmのZrN被膜が形成されることになる
(図5参照)。
As a result of these steps, a ZrN coating film having a film thickness of 0.3 μm is formed on the surface of the inner blade element 12 (see FIG. 5).

【0023】このようにして形成されたZrN被膜は、
母材ホルダ4a〜4dが自転しながらターンテーブル2
の回転軸3の周りを公転するために、均一にムラなく形
成される。また内刃母材7はターンテーブル2の回転軸
3の周りを公転する間に、イオンガンの照射により上昇
した温度を低下させられて、内刃母材7の変形防止や被
膜の安定化を行うことができる。なお、母材ホルダ4a
〜4dの直径をさらに小さくすると、内刃母材7の回転
半径が小さくなって、内刃素片と内刃ホルダとの接合面
などのような入り組んだ部分にも十分にイオンが照射さ
れて、より一層均一にムラなく被膜を形成することが可
能である。
The ZrN coating film thus formed is
Turntable 2 while base material holders 4a-4d rotate
Since it revolves around the rotation axis 3 of, it is formed uniformly and evenly. Further, while the inner blade base material 7 revolves around the rotary shaft 3 of the turntable 2, the temperature raised by the irradiation of the ion gun is lowered to prevent the inner blade base material 7 from being deformed and to stabilize the coating. be able to. The base material holder 4a
When the diameter of ~ 4d is further reduced, the radius of gyration of the inner blade base material 7 becomes smaller, and ions are sufficiently irradiated to the complicated parts such as the joint surface between the inner blade element and the inner blade holder. Further, it is possible to form a film more evenly and uniformly.

【0024】[0024]

【発明の効果】本発明の製造方法によれば、母材ホルダ
を自転させ、且つターンテーブルの回転軸の周りに公転
させながら高硬度材料からなる被膜を形成するものであ
るから、母材ホルダに装着された内刃母材の表面全体に
被膜が行き渡り、均一にムラなく被膜を形成することが
できる。
According to the manufacturing method of the present invention, since the base material holder is rotated and revolves around the rotation axis of the turntable to form the coating film made of the high hardness material, the base material holder is formed. The coating film spreads over the entire surface of the inner blade base material mounted on, and the coating film can be formed uniformly and evenly.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の製造装置の一実施例を示す外観斜視図
である。
FIG. 1 is an external perspective view showing an embodiment of a manufacturing apparatus of the present invention.

【図2】図1の装置の正面図である。2 is a front view of the device of FIG. 1. FIG.

【図3】図1の装置の上面図である。FIG. 3 is a top view of the device of FIG.

【図4】図1の製造装置における内刃母材の装着を説明
する要部断面図である。
4 is a cross-sectional view of a main part for explaining mounting of the inner blade base material in the manufacturing apparatus of FIG.

【図5】被膜形成された内刃素片の要部断面図である。FIG. 5 is a cross-sectional view of a main part of an inner blade element having a film formed thereon.

【符号の説明】[Explanation of symbols]

1 真空チャンバ 2 ターンテーブル 4a〜4d 母材ホルダ 6 内刃ホルダ 7 内刃母材 9 蒸発源 10 アシストイオンガン 12 内刃素片 13 第1薄膜層 14 第2薄膜層 1 Vacuum Chamber 2 Turntable 4a-4d Base Material Holder 6 Inner Blade Holder 7 Inner Blade Base Material 9 Evaporation Source 10 Assist Ion Gun 12 Inner Blade Element 13 First Thin Film Layer 14 Second Thin Film Layer

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 真空チャンバ内において、母材ホルダ
に、内刃素片を内刃ホルダに保持させた内刃母材を装着
し、この母材ホルダをターンテーブルに回転可能に支持
し、母材ホルダを自転させ、且つターンテーブルの回転
軸の周りに公転させながら、アシストイオンガンにより
前記内刃素片に対して常温で気体となる原子のイオンを
照射し、且つ蒸発源により前記内刃素片に対して高硬度
材料の原子を放射することによって、高硬度材料からな
る被膜を形成する電気かみそりの内刃の製造方法。
1. In a vacuum chamber, a base material holder is fitted with an inner blade base material in which an inner blade piece is held by the inner blade holder, and the base material holder is rotatably supported on a turntable. While rotating the material holder and revolving around the rotation axis of the turntable, the assist ion gun irradiates the inner blade element with ions of atoms that become gas at room temperature, and the evaporation source causes the inner blade element to rotate. A method for manufacturing an inner blade of an electric razor, wherein a film made of a high hardness material is formed by radiating atoms of a high hardness material to a piece.
JP23951692A 1992-09-08 1992-09-08 Manufacture of inner blade of electric razor Pending JPH0686872A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23951692A JPH0686872A (en) 1992-09-08 1992-09-08 Manufacture of inner blade of electric razor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23951692A JPH0686872A (en) 1992-09-08 1992-09-08 Manufacture of inner blade of electric razor

Publications (1)

Publication Number Publication Date
JPH0686872A true JPH0686872A (en) 1994-03-29

Family

ID=17045965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23951692A Pending JPH0686872A (en) 1992-09-08 1992-09-08 Manufacture of inner blade of electric razor

Country Status (1)

Country Link
JP (1) JPH0686872A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104400800A (en) * 2014-10-17 2015-03-11 李永友 Electric shaver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104400800A (en) * 2014-10-17 2015-03-11 李永友 Electric shaver

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