JPH0770740A - Formation of conductive thin film - Google Patents

Formation of conductive thin film

Info

Publication number
JPH0770740A
JPH0770740A JP21679293A JP21679293A JPH0770740A JP H0770740 A JPH0770740 A JP H0770740A JP 21679293 A JP21679293 A JP 21679293A JP 21679293 A JP21679293 A JP 21679293A JP H0770740 A JPH0770740 A JP H0770740A
Authority
JP
Japan
Prior art keywords
target
substrate
thin film
laser beam
conductive
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
JP21679293A
Other languages
Japanese (ja)
Inventor
Tetsuya Inoue
鉄也 井上
Shiyouichi Kitagawa
彰一 北側
Motomitsu Suzuki
基光 鈴木
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen 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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP21679293A priority Critical patent/JPH0770740A/en
Publication of JPH0770740A publication Critical patent/JPH0770740A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To stably form a conductive thin film having uniform composition on a substrate by scanning while shifting the position of a planer target surface little by little with laser beam at the time of forming the conductive thin film on the surface of the continuously moving plural substrates by sputtering. CONSTITUTION:The conductive thin film M is formed on the surface of the substrate by continuously moving the planer ceramic made substrate in an E direction and simultaneously irradiating the target 1 provided downward and made of a conductive material with the laser beam 4 from a laser device 5 to heat and evaporate the conductive raw material M of the target 1. In this case, the target 1 is arranged in an inclined direction D to the substrate and is previously heated by applying current from electrodes 2, 2'. The target 1 is uniformly irradiated on the whole surface with the laser beam and the conductive thin film M free from the change of the component or thickness with the lapse of time is formed on the substrate by horizontally scanning the surface of the target 1 from left to right and while shifting the target 1 by a prescribed distance L in the inclined direction D at the time of irradiating with the laser beam 4.

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、例えばセラミックスな
どの基板表面に導電性薄膜を蒸着により形成するための
方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for forming a conductive thin film on the surface of a substrate such as ceramics by vapor deposition.

【0002】[0002]

【従来の技術】従来、半導体や電子部品には導電性セラ
ミックスなどの基板が使用されており、この基板の表面
に導電性薄膜を形成するための方法には、導電性原料か
らなるターゲットに電子ビームあるいはプラズマを照射
し、導電性原料を蒸発あるいはスパッタさせるものがあ
る。
2. Description of the Related Art Conventionally, substrates such as conductive ceramics have been used for semiconductors and electronic parts, and a method for forming a conductive thin film on the surface of this substrate is to use a target made of a conductive raw material as an electron source. There is a method in which a conductive material is evaporated or sputtered by irradiating a beam or plasma.

【0003】[0003]

【発明が解決しようとする課題】上記従来の形成方法で
は、電子ビームあるいはプラズマにより、導電性原料の
一部分に集中的に過剰なエネルギーが投入され易く、こ
の場合、原料中に大きな温度勾配が生じ、原料の組成が
経時的に変化してしまい、従って良質の薄膜が得られな
いといった課題がある。
In the above conventional forming method, excessive energy is likely to be intensively applied to a part of the conductive raw material by the electron beam or plasma, in which case a large temperature gradient is generated in the raw material. However, there is a problem that the composition of the raw material changes with time, and therefore a good quality thin film cannot be obtained.

【0004】そこで本発明は、上記課題を解決し得る導
電性薄膜の形成方法を目的とする。
Therefore, the present invention is directed to a method of forming a conductive thin film which can solve the above problems.

【0005】[0005]

【課題を解決するための手段】本発明における課題を解
決する手段は、導電性原料からなるターゲットの上方近
傍に基板を配置した状態でターゲットに通電し、該ター
ゲットを所定の温度まで加熱してその温度に保持すると
ともにターゲットにレーザービームを照射して走査する
ことにより、導電性原料を前記基板の表面に形成する。
Means for Solving the Problem The means for solving the problem in the present invention is to energize a target made of a conductive raw material with a substrate placed in the vicinity of the upper part of the target and heat the target to a predetermined temperature. By holding the temperature and irradiating the target with a laser beam to scan the target, a conductive raw material is formed on the surface of the substrate.

【0006】[0006]

【作用】上記方法において、導電性原料からなるターゲ
ットの上方近傍に基板を配置した状態でターゲットに通
電し、ターゲットを所定の温度まで加熱してその温度に
保持するとともにターゲットにレーザービームを照射し
て走査するので、レーザービームを照射している部分と
他の部分との温度差が小さく、従って、ターゲットの一
部分に集中的にエネルギーが投入さることがなく、ター
ゲット中に大きな温度勾配が生じるのを防止できるとと
もに導電性原料の組成が経時的に変化することがなく、
良質の導電性薄膜を基板に形成することができる。
In the above method, the target is energized while the substrate is placed near the target made of a conductive raw material, the target is heated to a predetermined temperature and kept at that temperature, and the target is irradiated with a laser beam. The temperature difference between the part irradiated with the laser beam and the other part is small, so that the energy is not concentratedly applied to a part of the target and a large temperature gradient is generated in the target. And the composition of the conductive raw material does not change over time,
A good quality conductive thin film can be formed on the substrate.

【0007】[0007]

【実施例】以下、本発明の実施例を図1の薄膜の形成状
態を示す斜視図に基づいて説明すると、導電性原料Mか
らなる板状のターゲット1が水平面から一定の傾斜方向
Dで配置され、前記ターゲット1の両端部に電極2,2
が取り付けられ、該電極2,2を介してターゲット1に
電源が接続されている。この電源電圧は、ターゲット1
や電極2,2が融点に達しない所定の温度になるように
設定されている。
EXAMPLE An example of the present invention will be described below with reference to a perspective view showing the state of formation of a thin film in FIG. 1, in which a plate-shaped target 1 made of a conductive raw material M is arranged at a certain inclination direction D from a horizontal plane. The electrodes 2 and 2 are provided on both ends of the target 1.
Is attached, and the power source is connected to the target 1 through the electrodes 2 and 2. This power supply voltage is the target 1
The electrodes 2 and 2 are set to have a predetermined temperature that does not reach the melting point.

【0008】またこのターゲット1をその傾斜方向Dに
間欠的に移動させるための間欠駆動機構(図示せず)が
設けられ、この間欠駆動機構を駆動することにより、タ
ーゲット1は所定距離tだけ傾斜方向Dに移動して停止
する。
An intermittent drive mechanism (not shown) for intermittently moving the target 1 in the tilt direction D is provided, and by driving the intermittent drive mechanism, the target 1 is tilted by a predetermined distance t. Move in direction D and stop.

【0009】このターゲット1の上方近傍に、セラミッ
クス製の基板3が適宜の移動機構(図示せず)で水平方
向Eに移動自在に配置され、この基板3は所定の大きさ
の矩形に形成され、前記移動機構を駆動することによ
り、順次ターゲット1の上方を一定の方向に送られる。
A ceramic substrate 3 is movably arranged in the horizontal direction E near an upper portion of the target 1 by an appropriate moving mechanism (not shown), and the substrate 3 is formed in a rectangular shape of a predetermined size. By driving the moving mechanism, the target 1 is sequentially fed over the target 1 in a fixed direction.

【0010】また、前記ターゲット1の表面に照射する
レーザービーム4を往復走査するためのレーザー装置5
が設けられている。上記構成において、まずターゲット
1を所定の位置に設置し、ターゲット1に取り付けた電
極2,2に電圧を負荷してターゲット1を所定の温度ま
で上昇させるとともにこの所定の温度に保持し、ターゲ
ット1の上方に、予め加熱された基板3のその蒸着面を
下にして配置する。
A laser device 5 for reciprocally scanning a laser beam 4 applied to the surface of the target 1.
Is provided. In the above configuration, first, the target 1 is installed at a predetermined position, a voltage is applied to the electrodes 2 and 2 attached to the target 1 to raise the target 1 to a predetermined temperature, and the target 1 is maintained at this predetermined temperature. Is placed above the substrate with the vapor deposition surface of the preheated substrate 3 facing down.

【0011】次にレーザー装置5を駆動してターゲット
1の表面6にレーザービーム4の照射を開始し、例えば
右方から左方に走査させる。この右方から左方へのレー
ザービーム4の走査が終了すると、図示しない制御装置
が直ちに間欠駆動機構の駆動部に駆動信号を出力して、
ターゲット1を傾斜方向Dに所定距離tだけ元の位置か
らずらし、再度レーザービーム4を左方から右方に走査
する。
Next, the laser device 5 is driven to start the irradiation of the laser beam 4 on the surface 6 of the target 1 to scan from the right side to the left side, for example. When the scanning of the laser beam 4 from the right side to the left side is completed, a control device (not shown) immediately outputs a drive signal to the drive section of the intermittent drive mechanism,
The target 1 is displaced from the original position by a predetermined distance t in the tilt direction D, and the laser beam 4 is again scanned from left to right.

【0012】このターゲット1の移動とレーザービーム
4の往復動作を繰り返すことにより、ターゲット1から
導電性原料Mが順次蒸発し、基板3の蒸着面に導電性原
料Mが蒸着する。
By repeating the movement of the target 1 and the reciprocating operation of the laser beam 4, the conductive raw material M is sequentially evaporated from the target 1, and the conductive raw material M is vapor-deposited on the vapor deposition surface of the substrate 3.

【0013】そして先頭の基板3の蒸着面に対する導電
性原料Mの蒸着が終了すると、制御装置は移動機構の駆
動部に駆動信号を出力して次の基板3を送り出し、上記
と同様の工程により基板3の蒸着面に導電性原料Mを蒸
着する。
When the vapor deposition of the conductive raw material M on the vapor deposition surface of the top substrate 3 is completed, the control device outputs a drive signal to the drive unit of the moving mechanism to send out the next substrate 3, and the same process as above. The conductive material M is deposited on the deposition surface of the substrate 3.

【0014】このように本発明の実施例によれば、導電
性原料Mからなるターゲット1に電圧を加えて所定の温
度まで加熱しておき、レーザービーム4をターゲット1
の表面6に照射するので、レーザービーム4を照射して
いる部分と他の部分との温度差が小さく、従って、ター
ゲット1の一部分に集中的に過剰なエネルギーを投入す
る必要がなく、ターゲット1中に大きな温度勾配が生じ
るのを防止できるので、原料の組成が経時的に変化して
しまうことがなく、良質の導電性薄膜を基板3に蒸着す
ることができる。
As described above, according to the embodiment of the present invention, the target 1 made of the conductive raw material M is heated to a predetermined temperature by applying a voltage, and the laser beam 4 is applied to the target 1.
Since the surface 6 of the target 1 is irradiated with the laser beam 4, the temperature difference between the part irradiated with the laser beam 4 and the other part is small. Therefore, it is not necessary to intensively input excessive energy to a part of the target 1. Since a large temperature gradient can be prevented from occurring in the inside, the composition of the raw material does not change with time, and a good quality conductive thin film can be deposited on the substrate 3.

【0015】さらに、レーザービーム4をターゲット1
の表面6に往復走査させながらターゲット1を傾斜方向
Dに所定距離tだけ移動させて導電性原料Mを蒸発させ
るので、従来のようにターゲット1の一部分に集中的に
レーザービームを照射するものに比べて大きな面積の薄
膜を基板に形成することができる。
Further, the laser beam 4 is used as a target 1
Since the target 1 is moved in the tilt direction D by a predetermined distance t to evaporate the conductive raw material M while reciprocatingly scanning the surface 6 of the target 6, a part of the target 1 is irradiated with a laser beam intensively as in the conventional case. In comparison, a thin film having a large area can be formed on the substrate.

【0016】[0016]

【発明の効果】以上の説明から明らかな通り、本発明
は、導電性原料からなるターゲットの上方近傍に基板を
配置した状態でターゲットに通電し、ターゲットを所定
の温度まで加熱してその温度に保持するとともにターゲ
ットにレーザービームを照射し走査するので、レーザー
ビームを照射している部分と他の部分との温度差が小さ
く、従って、ターゲットの一部分に集中的にエネルギー
を投入する必要がなく、導電性原料中に大きな温度勾配
が生じるのを防止できるとともに導電性原料の組成が経
時的に変化してしまうのを防止でき、従って、良質の導
電性薄膜を基板に形成することができる。
As is apparent from the above description, according to the present invention, the target is energized with the substrate placed in the vicinity of the upper part of the target made of the conductive raw material, and the target is heated to a predetermined temperature to reach that temperature. Since the target is irradiated with the laser beam and scanned while being held, the temperature difference between the part irradiating the laser beam and the other part is small, and therefore it is not necessary to intensively input energy to a part of the target, It is possible to prevent a large temperature gradient from occurring in the conductive raw material and prevent the composition of the conductive raw material from changing with time. Therefore, a good quality conductive thin film can be formed on the substrate.

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

【図1】本発明の一実施例を示す導電性薄膜の形成方法
における薄膜の形成状態を示す斜視図である。
FIG. 1 is a perspective view showing a thin film formation state in a conductive thin film formation method according to an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1 ターゲット 2 電極 3 基板 4 レーザービーム 5 レーザー装置 6 ターゲットの表面 D 傾斜方向 1 Target 2 Electrode 3 Substrate 4 Laser Beam 5 Laser Device 6 Target Surface D Tilt Direction

─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成5年12月27日[Submission date] December 27, 1993

【手続補正1】[Procedure Amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0001[Correction target item name] 0001

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0001】[0001]

【産業上の利用分野】本発明は、例えばガラスあるいは
金属などの基板表面に導電性薄膜を蒸着により形成する
ための方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for forming a conductive thin film by vapor deposition on the surface of a substrate such as glass or metal.

【手続補正2】[Procedure Amendment 2]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0002[Name of item to be corrected] 0002

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0002】[0002]

【従来の技術】従来、基板の表面に導電性薄膜を形成す
るための方法には、導電性原料からなるターゲットに電
子ビームあるいはプラズマを照射し、導電性原料を蒸発
あるいはスパッタさせるものがある。
2. Description of the Related Art Conventionally, as a method for forming a conductive thin film on the surface of a substrate, there is a method in which a target made of a conductive raw material is irradiated with an electron beam or plasma to vaporize or sputter the conductive raw material.

【手続補正3】[Procedure 3]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0006[Correction target item name] 0006

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0006】[0006]

【作用】上記方法において、導電性原料からなるターゲ
ットの上方近傍に基板を配置した状態でターゲットに通
電し、ターゲットを所定の温度まで加熱してその温度に
保持するとともにターゲットにレーザービームを照射し
て走査するので、レーザービームを照射している部分と
他の部分との温度差が小さく、従って、ターゲットの一
部分に集中的にエネルギーが投入さることがなく、ター
ゲット中に大きな温度勾配が生じるのを防止できるとと
もに、ターゲットの間欠駆動機構の働きによりレーザー
照射部が逐次変化するため、導電性原料の組成が経時的
に変化することがなく、良質の導電性薄膜を基板に形成
することができる。
In the above method, the target is energized while the substrate is placed near the target made of a conductive raw material, the target is heated to a predetermined temperature and kept at that temperature, and the target is irradiated with a laser beam. The temperature difference between the part irradiated with the laser beam and the other part is small, so that the energy is not concentratedly applied to a part of the target and a large temperature gradient is generated in the target. In addition, the laser irradiation portion is sequentially changed by the action of the intermittent drive mechanism of the target, so that the composition of the conductive raw material does not change over time, and a good quality conductive thin film can be formed on the substrate. .

【手続補正4】[Procedure amendment 4]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0009[Correction target item name] 0009

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0009】このターゲット1の上方近傍に、ガラス、
金属製の基板3が適宜の移動機構(図示せず)で水平方
向Eに移動自在に配置され、この基板3は所定の大きさ
の矩形に形成され、前記移動機構を駆動することによ
り、順次ターゲット1の上方を一定の方向に送られる。
In the vicinity of the upper part of the target 1, glass,
A metal substrate 3 is movably arranged in a horizontal direction E by an appropriate moving mechanism (not shown), and the substrate 3 is formed in a rectangular shape of a predetermined size, and is sequentially driven by driving the moving mechanism. It is sent over the target 1 in a certain direction.

【手続補正5】[Procedure Amendment 5]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0010[Correction target item name] 0010

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0010】また、前記ターゲット1の表面に照射する
レーザービーム4を往復走査するためのレーザー装置5
が設けられている。上記構成において、まずターゲット
1を所定の位置に設置し、ターゲット1に取り付けた電
極2,2に電圧を負荷してターゲット1を所定の温度ま
で上昇させるとともにこの所定の温度に保持し、ターゲ
ット1の上方に、予め加熱された基板3をその蒸着面を
下にして配置する。
A laser device 5 for reciprocally scanning a laser beam 4 applied to the surface of the target 1.
Is provided. In the above configuration, first, the target 1 is installed at a predetermined position, a voltage is applied to the electrodes 2 and 2 attached to the target 1 to raise the target 1 to a predetermined temperature, and the target 1 is maintained at this predetermined temperature. The preheated substrate 3 is placed above the substrate with the deposition surface thereof facing down.

【手続補正6】[Procedure correction 6]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0016[Correction target item name] 0016

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0016】[0016]

【発明の効果】以上の説明から明らかな通り、本発明
は、導電性原料からなるターゲットの上方近傍に基板を
配置した状態でターゲットに通電し、ターゲットを所定
の温度まで加熱してその温度に保持するとともにターゲ
ットにレーザービームを照射して走査するので、レーザ
ービームを照射している部分と他の部分との温度差が小
さく、従って、ターゲットの一部分に集中的にエネルギ
ーが投入する必要がなく、導電性原料中に大きな温度勾
配が生じるのを防止できるとともに、ターゲットの間欠
駆動機構の働きによりレーザー照射部が逐次変化するた
め、導電性原料の組成が経時的に変化するのを防止で
き、従って、良質の導電性薄膜を基板に形成することが
できる。
As is apparent from the above description, according to the present invention, the target is energized with the substrate placed in the vicinity of the upper part of the target made of the conductive raw material, and the target is heated to a predetermined temperature to reach that temperature. Since the target is irradiated and the target is irradiated with the laser beam for scanning, the temperature difference between the part irradiating the laser beam and the other part is small, so it is not necessary to intensively input energy to part of the target. In addition, it is possible to prevent a large temperature gradient from occurring in the conductive raw material and to prevent the composition of the conductive raw material from changing with time because the laser irradiation part is sequentially changed by the action of the intermittent drive mechanism of the target. Therefore, a good quality conductive thin film can be formed on the substrate.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】導電性原料からなるターゲットの上方近傍
に基板を配置した状態でターゲットに通電し、該ターゲ
ットを所定の温度まで加熱してその温度に保持するとと
もにターゲットにレーザービームを照射して走査するこ
とにより、導電性原料を前記基板の表面に蒸着させるこ
とを特徴とする導電性薄膜の形成方法。
1. A target is energized in a state in which a substrate is placed in the vicinity of an upper portion of a target made of a conductive raw material, the target is heated to a predetermined temperature and kept at that temperature, and the target is irradiated with a laser beam. A method for forming a conductive thin film, comprising depositing a conductive material on the surface of the substrate by scanning.
JP21679293A 1993-09-01 1993-09-01 Formation of conductive thin film Pending JPH0770740A (en)

Priority Applications (1)

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JP21679293A JPH0770740A (en) 1993-09-01 1993-09-01 Formation of conductive thin film

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JP21679293A JPH0770740A (en) 1993-09-01 1993-09-01 Formation of conductive thin film

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JPH0770740A true JPH0770740A (en) 1995-03-14

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5905282A (en) * 1996-05-16 1999-05-18 Sankosha Corporation Multi-terminal surge protection device
JP2003105530A (en) * 2001-09-27 2003-04-09 Vacuum Products Kk Laser abrasion device
WO2006090004A1 (en) * 2005-02-23 2006-08-31 Picodeon Ltd Oy Pulsed laser deposition method
US20090136739A1 (en) * 2006-02-23 2009-05-28 Picodeon Ltd Oy Coating on a plastic substrate and a coated plastic product
US20100285241A1 (en) * 2007-10-22 2010-11-11 ApplliFlex LLC Laser deposition of nanocomposite films
US9074282B2 (en) * 2008-08-25 2015-07-07 Solmates B.V. Method for depositing a material

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5905282A (en) * 1996-05-16 1999-05-18 Sankosha Corporation Multi-terminal surge protection device
JP2003105530A (en) * 2001-09-27 2003-04-09 Vacuum Products Kk Laser abrasion device
WO2006090004A1 (en) * 2005-02-23 2006-08-31 Picodeon Ltd Oy Pulsed laser deposition method
WO2006090005A1 (en) * 2005-02-23 2006-08-31 Pintavision Oy Pulsed laser deposition method
US20090136739A1 (en) * 2006-02-23 2009-05-28 Picodeon Ltd Oy Coating on a plastic substrate and a coated plastic product
US20100285241A1 (en) * 2007-10-22 2010-11-11 ApplliFlex LLC Laser deposition of nanocomposite films
US9074282B2 (en) * 2008-08-25 2015-07-07 Solmates B.V. Method for depositing a material

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