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JPH0635656B2 - Vacuum deposition equipment - Google Patents
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JPH0635656B2 - Vacuum deposition equipment - Google Patents

Vacuum deposition equipment

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Publication number
JPH0635656B2
JPH0635656B2 JP61234422A JP23442286A JPH0635656B2 JP H0635656 B2 JPH0635656 B2 JP H0635656B2 JP 61234422 A JP61234422 A JP 61234422A JP 23442286 A JP23442286 A JP 23442286A JP H0635656 B2 JPH0635656 B2 JP H0635656B2
Authority
JP
Japan
Prior art keywords
vapor
vapor deposition
metal
duct
vacuum
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.)
Expired - Fee Related
Application number
JP61234422A
Other languages
Japanese (ja)
Other versions
JPS6389651A (en
Inventor
謙一 柳
平三郎 古川
光雄 加藤
俊夫 田口
悦郎 平井
憲夫 築地
琢哉 愛甲
義輝 森山
武彦 伊藤
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.)
Mitsubishi Heavy Industries Ltd
Nippon Steel Nisshin Co Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Nisshin Steel 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 Mitsubishi Heavy Industries Ltd, Nisshin Steel Co Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP61234422A priority Critical patent/JPH0635656B2/en
Publication of JPS6389651A publication Critical patent/JPS6389651A/en
Publication of JPH0635656B2 publication Critical patent/JPH0635656B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は付着量分布制御が可能な連続真空蒸着装置に関
するものである。
TECHNICAL FIELD The present invention relates to a continuous vacuum vapor deposition apparatus capable of controlling the amount distribution of adhered substances.

〔従来の技術〕[Conventional technology]

帯鋼等の基板に連続的に、例えば、亜鉛等の金属をめつ
きする手段として連続式真空蒸着装置が使用されている
が、従来の連続式真空蒸着装置の概略構成を第6図によ
つて説明する。
A continuous-type vacuum vapor deposition apparatus is used as a means for continuously depositing a metal such as zinc on a substrate such as a strip steel. The schematic configuration of a conventional continuous-type vacuum vapor deposition apparatus is shown in FIG. I will explain.

図中、1は帯鋼(被蒸着基板)、2は複数のシール室か
らなる真空シール装置、3は蒸着室、4は帯鋼1をガイ
ドして通板させる巻付ロール、7は溶融した金属(亜鉛
等)5の蒸気5aを真空条件下で発生させ、浴槽6と金
属蒸気5aを帯鋼1まで導くダクト(チヤンネル)であ
り、連続真空蒸着装置は一般にこれらを主構成要素とし
て構成されている。
In the figure, 1 is a strip steel (substrate to be vapor-deposited), 2 is a vacuum seal device composed of a plurality of sealing chambers, 3 is a vapor deposition chamber, 4 is a winding roll for guiding the strip steel 1 to pass, and 7 is a melt. This is a duct (channel) for generating a vapor 5a of a metal (zinc or the like) 5 under a vacuum condition and guiding the bath 6 and the metal vapor 5a to the strip steel 1. Generally, a continuous vacuum vapor deposition apparatus is configured with these as main constituent elements. ing.

帯鋼1に蒸着させるに必要な金属蒸気量(蒸発量)は、
浴槽6内に設置したヒータ8の電力と、浴槽6出口に設
置したシヤツタ9を、例えば、シリンダ等の開閉装置1
0で開閉して開口部11の面積を変えることにより制御
できる如く構成されている。
The amount of metal vapor (evaporation amount) necessary for vapor deposition on the strip steel 1 is
The electric power of the heater 8 installed in the bathtub 6 and the shutter 9 installed at the outlet of the bathtub 6 are connected to, for example, a switchgear 1 such as a cylinder.
It is constructed so that it can be controlled by opening and closing at 0 and changing the area of the opening 11.

前記、浴槽6への溶融金属5は蒸着室3下部の溶解炉1
2から圧力差によりスノーケル13を介して吸引・供給
される。
The molten metal 5 in the bath 6 is melted in the melting furnace 1 below the vapor deposition chamber 3.
2 is sucked and supplied through the snorkel 13 due to the pressure difference.

蒸着室3は管14及び弁15を介して真空ポンプ16に
接続し、通常、溶融金属5の飽和蒸気圧力より低い圧力
に窒素(N2)等の不活性ガスを介して保持されている。な
お、図中、矢印Zは金属蒸気5aの流れ方向を示す。
The vapor deposition chamber 3 is connected to a vacuum pump 16 via a pipe 14 and a valve 15, and is usually maintained at a pressure lower than the saturated vapor pressure of the molten metal 5 via an inert gas such as nitrogen (N 2 ). In the figure, the arrow Z indicates the flow direction of the metal vapor 5a.

以上の構成であるから、運転に際しては、製造指令(鋼
種、板巾、板厚、通板速度、目標蒸着量等)にもとづい
て設定された蒸着速度(単位面積、単位時間当りの蒸着
量)に対応して蒸着室3の圧力を設定すると共に、蒸着
金属の所要蒸発量に対応させてヒータ8の電力とシヤツ
タ9開度を調整することにより帯鋼1表面の蒸着量、す
なわち、蒸着膜厚を目標値に制御するものである。
Because of the above configuration, during operation, the vapor deposition rate (unit area, vapor deposition amount per unit time) set based on the manufacturing instruction (steel type, strip width, strip thickness, stripping speed, target vapor deposition amount, etc.) The pressure of the vapor deposition chamber 3 is set corresponding to the above, and the amount of vapor deposition on the surface of the strip steel 1, that is, the vapor deposition film The thickness is controlled to a target value.

〔発明が解決しようとする問題点〕[Problems to be solved by the invention]

しかしながら、前記装置では、金属蒸気5aがシヤツタ
9の開口部11を通過した後、ダクト7内での流れが乱
れるため帯鋼1表面の蒸着金属の膜厚分布が不均一とな
り、とくに、板幅方向の分布に関しては、第4、5図の
実機における計測データ中、点線a1,a2で示す如く、大
きなばらつきが発生し、メツキ製品の品質低下ならび
に、蒸着むらによる蒸着金属の歩留りが低下するという
問題があつた。
However, in the above-mentioned apparatus, after the metal vapor 5a passes through the opening 11 of the shutter 9, the flow in the duct 7 is disturbed, so that the film thickness distribution of the vapor-deposited metal on the surface of the strip steel 1 becomes uneven, and particularly, the plate width Regarding the directional distribution, as shown by the dotted lines a 1 and a 2 in the measured data of the actual machine in Figs. 4 and 5, there is a large variation, and the quality of the plated product deteriorates and the yield of evaporated metal decreases due to uneven deposition. There was a problem of doing.

本発明は、かかる問題に鑑みて提案されたものであつ
て、つねに膜厚分布を均一に制御し、メツキ成品の品質
向上を図ると共に、蒸着金属の歩留りを向上させコスト
低減が可能な連続式真空蒸着装置を提案せんとするもの
である。
The present invention has been proposed in view of such a problem, always controlling the film thickness distribution uniformly, while aiming to improve the quality of the finished product, improve the yield of the deposition metal and reduce the cost continuously. The purpose is to propose a vacuum deposition apparatus.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は、前記問題を解決するために、ダクト(チヤン
ネル)内に、金属蒸気の流れ方向Zに直角に、多孔板か
らなる整流板を1枚以上取付けて、金属蒸気の流れを均
一化させることにより、蒸着膜厚分布を均一にする如く
真空蒸着装置を構成させたものである。
According to the present invention, in order to solve the above problem, one or more straightening vanes, which are perforated plates, are attached in a duct (channel) at right angles to the flow direction Z of metal vapor to make the flow of metal vapor uniform. As a result, the vacuum vapor deposition apparatus is configured so as to make the vapor deposition film thickness distribution uniform.

すなわち本発明は真空条件下で溶融金属を蒸発させる浴
槽と、該金属蒸気を被蒸着基板まで導くダクトと、前記
浴槽の出口にあつて、その開口面積を自在に制御し得る
シヤツタとを具備してなる連続真空蒸着装置において、
前記ダクト内に金属蒸気の流れ方向に対し直角に、かつ
適宜間隔をおいて少くとも1枚以上の多孔板からなる整
流板を取付けてなることを特徴とする真空蒸着装置であ
る。
That is, the present invention comprises a bath for evaporating the molten metal under vacuum conditions, a duct for guiding the metal vapor to the substrate to be vapor-deposited, and a shutter capable of freely controlling the opening area of the outlet of the bath. In the continuous vacuum evaporation system consisting of
The vacuum vapor deposition apparatus is characterized in that a rectifying plate composed of at least one perforated plate is attached in the duct at right angles to the flow direction of the metal vapor and at appropriate intervals.

〔作用〕[Action]

シヤツタの開閉によりその開口面積が設定され、所定量
の金属蒸気は整流板によりその流れを均一化されて被蒸
着基板上に均一に蒸着される。
The opening area of the shutter is set by opening and closing the shutter, and the flow of the predetermined amount of metal vapor is made uniform by the straightening plate, and the metal vapor is evenly deposited on the deposition target substrate.

〔実施例〕〔Example〕

以下、図面によつて本発明をより具体的に説明する。 Hereinafter, the present invention will be described more specifically with reference to the drawings.

第1図は本発明の一実施例に係る連続式真空蒸着装置の
蒸着室及び蒸発槽の概略構成図、第2、3図は、それぞ
れ、第1図中A−A及びB−B矢視による整流板の正面
図を示すが、図中、従来装置(第6図)と同一部材には
同一符号を付し、重複する詳細構成説明は省略する。
FIG. 1 is a schematic configuration diagram of a vapor deposition chamber and an evaporation tank of a continuous vacuum vapor deposition apparatus according to an embodiment of the present invention, and FIGS. 2 and 3 are views taken along arrows AA and BB in FIG. 1, respectively. 2 is a front view of the current plate according to the present invention. In the figure, the same members as those in the conventional device (FIG. 6) are designated by the same reference numerals, and the detailed description of the overlapping configurations will be omitted.

本発明装置は、従来装置(第1図)におけるダクト7内
に、金属蒸気5aの流れ方向Zに対し直角に、かつ、適
宜間隔をおいて、少なくとも1枚以上(例示の場合は2
枚)の多孔板からなる整流板20a,20bを取付け
て、ダクト7内の金属蒸気5aの流れを均一に整流させ
ることによつて、蒸着膜厚分布を均一化せんとするもの
である。ここで整流板の設置枚数、孔の配列及び数量に
関しては、本出願人が実機において種々実験の結果決定
されたもので、実験結果では、整流板の枚数は多いほど
膜厚分布の均一化の効果は大きくなるも、金属蒸気6a
の圧力損失が増大して、所要の蒸発量が得られなくなる
ことから結局蒸発量の程度に応じて適当な枚数にするこ
とが必要である。従つて、ここでは2枚の場合について
述べることとする。
The device of the present invention includes at least one sheet (2 in the example shown) in the duct 7 of the conventional device (FIG. 1) at right angles to the flow direction Z of the metal vapor 5a and at appropriate intervals.
The distribution film thickness distribution is not made uniform by attaching the flow regulating plates 20a and 20b made of a perforated plate and uniformly regulating the flow of the metal vapor 5a in the duct 7. Here, the number of rectifying plates to be installed, the arrangement and the number of holes are determined by the applicant as a result of various experiments in an actual machine, and the experimental result shows that the more the number of rectifying plates is, the more uniform the film thickness distribution becomes. Although the effect is large, metal vapor 6a
Since the pressure loss of 1 increases and the required amount of evaporation cannot be obtained, it is necessary to properly adjust the number of sheets according to the degree of evaporation. Therefore, the case of two sheets will be described here.

前記、2枚の整流板20a及び20bのうち、巻付ロー
ル4側の整流板20aは、第2図に示す如く、多数の孔
21を、ほぼ等ピツチで千鳥状に板の全面にわたつて貫
設する。一方、シャツタ10側の整流板20bは前記整
流板20aと同一であるか、あるいは望ましくは第3図
に示す如く、シヤツタ10の取付位置及び標準開度に対
応して、孔21の配列及びピツチを局部的に変更してい
る。
Of the two straightening vanes 20a and 20b, the straightening vane 20a on the side of the winding roll 4 has a large number of holes 21 in a zigzag pattern over the entire surface of the plate as shown in FIG. To pierce. On the other hand, the straightening plate 20b on the side of the shirt 10 is the same as the straightening plate 20a, or preferably, as shown in FIG. 3, the arrangement and the pitch of the holes 21 correspond to the mounting position and the standard opening of the shutter 10. Has been changed locally.

第3図の場合はシヤツタ10の取位置及び開口位置はダ
クト7の上部にあるため、これに対応して整流板20b
の孔21の上部数段(例示の場合は3段)は1段おきに
開口せず、板上部の開口比を下部の開口比より小さくす
る。従つて、両整流板20a,20bの開口面積比を、
それぞれ、ma,mbとするとma>mbとなる。このように開
孔することによつて蒸着膜厚分布が第4、5図中実線
b1,b2で示すすように、従来装置の場合の分布曲線a1
a2にくらべて、良好な均一度が得られることが実機にお
いて立証された。第4図は目標蒸着膜厚が30μ、第5
図は50μの場合の板幅方向の膜厚分布の実測値を示
す。
In the case of FIG. 3, the take-off position and the opening position of the shutter 10 are located at the upper part of the duct 7.
The upper few stages (three stages in the illustrated example) of the holes 21 are not opened every other stage, and the aperture ratio of the plate upper part is made smaller than the aperture ratio of the lower part. Therefore, the opening area ratio of both rectifying plates 20a and 20b is
If m a and m b are respectively satisfied , then m a > m b . By forming the holes in this way, the vapor deposition film thickness distribution is shown by the solid line in FIGS.
As shown by b 1 and b 2 , the distribution curves a 1 and
It was proved in the actual machine that good uniformity was obtained compared to a 2 . Fig. 4 shows the target deposition thickness of 30μ,
The figure shows the measured value of the film thickness distribution in the plate width direction in the case of 50 μm.

〔発明の効果〕〔The invention's effect〕

以上詳細に説明したように本発明装置では、金属蒸気
(zn等)6aを蒸着基板(帯鋼等)の蒸着面へ導くダク
ト(チヤンネル)7内に金属蒸気5aの流れ方向Zに直
角に多孔板からなる1枚以上の整流板20a,20bを
取付けて、金属蒸気5aのダクト7内の流れの乱れを均
一に整流することによつて、蒸着膜厚を均一化すること
が可能となり、めつき製品の品質向上ならびに蒸着金属
(Zn等)5の歩留りを向上させコスト低減を図ることが
できた。
As described above in detail, in the device of the present invention, the metal vapor (zn or the like) 6a is perforated at right angles to the flow direction Z of the metal vapor 5a in the duct (channel) 7 that guides it to the vapor deposition surface of the vapor deposition substrate (steel strip or the like). By attaching one or more straightening vanes 20a, 20b made of plates to uniformly rectify the turbulence of the flow of the metal vapor 5a in the duct 7, it is possible to make the vapor deposition film thickness uniform. It was possible to reduce the cost by improving the quality of attached products and the yield of evaporated metal (Zn, etc.) 5.

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

第1図は本発明の一実施例に係る連続式真空蒸着装置の
概略構成図、第2及び3図は、それぞれ、第1図中A−
A及びB−B矢視による整流板の正面図、第4、5図
は、実機における板幅方向の蒸着膜厚分布曲線の計測デ
ータ、第6図は従来の連続式真空蒸着装置の概略構成図
を示す。 1……蒸着基板、3……蒸着室、4……巻付ロール、5
……蒸着金属、5a……金属蒸気、6……浴槽、7……
ダクト、9……シヤツタ、11……開口部、20a,20
b……整流板、Z……金属蒸気の流れ方向。
FIG. 1 is a schematic configuration diagram of a continuous vacuum vapor deposition apparatus according to an embodiment of the present invention, and FIGS. 2 and 3 are A- in FIG. 1, respectively.
A and BB front views of the straightening vane viewed from the arrows, FIGS. 4 and 5 are measurement data of a vapor deposition film thickness distribution curve in an actual machine in a plate width direction, and FIG. 6 is a schematic configuration of a conventional continuous vacuum vapor deposition apparatus. The figure is shown. 1 ... Evaporation substrate, 3 ... Evaporation chamber, 4 ... Winding roll, 5
…… Vapor-deposited metal, 5a …… Metal vapor, 6 …… Bath, 7 ……
Duct, 9 ... Shutter, 11 ... Opening, 20a, 20
b ... current plate, Z ... flow direction of metal vapor.

フロントページの続き (72)発明者 加藤 光雄 広島県広島市西区観音新町4丁目6番22号 三菱重工業株式会社広島研究所内 (72)発明者 田口 俊夫 広島県広島市西区観音新町4丁目6番22号 三菱重工業株式会社広島研究所内 (72)発明者 平井 悦郎 広島県広島市西区観音新町4丁目6番22号 三菱重工業株式会社広島研究所内 (72)発明者 築地 憲夫 大阪府堺市石津西町5番地 日新製鋼株式 会社阪神研究所内 (72)発明者 愛甲 琢哉 大阪府堺市石津西町5番地 日新製鋼株式 会社阪神研究所内 (72)発明者 森山 義輝 大阪府堺市石津西町5番地 日新製鋼株式 会社阪神製造所内 (72)発明者 伊藤 武彦 東京都千代田区丸の内3丁目4番1号 日 新製鋼株式会社内 (56)参考文献 特開 昭61−73875(JP,A) 特開 昭60−21379(JP,A) 特開 昭57−174458(JP,A)Front page continuation (72) Inventor Mitsuo Kato 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima City, Hiroshima Prefecture Mitsubishi Heavy Industries, Ltd. Hiroshima Research Institute (72) Inventor Toshio Taguchi 4-22 Kannon-shinmachi, Nishi-ku, Hiroshima City, Hiroshima Prefecture No. Mitsubishi Heavy Industries, Ltd. Hiroshima Research Institute (72) Inventor Etsuro Hirai 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima-shi, Hiroshima Prefecture Mitsubishi Heavy Industries Ltd. Hiroshima Research Institute (72) Norio Tsukiji 5 Ishizu Nishimachi, Sakai City, Osaka Prefecture Nisshin Steel Co., Ltd.Hanshin Research Center (72) Inventor Takuya Aiko 5 Ishizu Nishimachi, Sakai City, Osaka Prefecture Nisshin Steel Co., Ltd. Hanshin Research Center (72) Inventor Yoshiteru Moriyama 5th Ishizu Nishimachi, Sakai City, Osaka Nisshin Steel Co., Ltd. Company Hanshin Works (72) Inventor Takehiko Ito 3-4-1, Marunouchi, Chiyoda-ku, Tokyo Nisshin Steel Co., Ltd. (56) Reference JP 61-73875 (JP, A) JP 60-21379 (JP, A) JP-A-57-174458 (JP, A)

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】真空条件下で溶融金属を蒸発させる浴槽
と、該金属蒸気を被蒸着基板まで導くダクトと、前記浴
槽の出口にあつて、その開口面積を自在に制御し得るシ
ヤツタとを具備してなる連続真空蒸着装置において、前
記ダクト内に金属蒸気の流れ方向に対し直角に、かつ適
宜間隔をおいて少くとも1枚以上の多孔板からなる整流
板を取付けてなることを特徴とする真空蒸着装置。
1. A bath for evaporating molten metal under vacuum conditions, a duct for guiding the metal vapor to a substrate to be vapor-deposited, and a shutter capable of freely controlling the opening area of the outlet of the bath. In the continuous vacuum vapor deposition apparatus configured as described above, a straightening plate composed of at least one perforated plate is attached in the duct at right angles to the flow direction of the metal vapor and at appropriate intervals. Vacuum deposition equipment.
JP61234422A 1986-10-03 1986-10-03 Vacuum deposition equipment Expired - Fee Related JPH0635656B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61234422A JPH0635656B2 (en) 1986-10-03 1986-10-03 Vacuum deposition equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61234422A JPH0635656B2 (en) 1986-10-03 1986-10-03 Vacuum deposition equipment

Publications (2)

Publication Number Publication Date
JPS6389651A JPS6389651A (en) 1988-04-20
JPH0635656B2 true JPH0635656B2 (en) 1994-05-11

Family

ID=16970770

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61234422A Expired - Fee Related JPH0635656B2 (en) 1986-10-03 1986-10-03 Vacuum deposition equipment

Country Status (1)

Country Link
JP (1) JPH0635656B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006111926A (en) * 2004-10-15 2006-04-27 Hitachi Zosen Corp Vapor deposition equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0378890A (en) * 1989-08-23 1991-04-04 Fuji Electric Co Ltd Display method for tabular document information

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57174458A (en) * 1981-04-22 1982-10-27 Mitsubishi Heavy Ind Ltd Construction of vessel for evaporating source
JPH062942B2 (en) * 1983-07-18 1994-01-12 三菱重工業株式会社 Vacuum deposition equipment
JPS6173875A (en) * 1984-09-17 1986-04-16 Mitsubishi Heavy Ind Ltd Vacuum depositing apparatus provided with plate for regulating width of path

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006111926A (en) * 2004-10-15 2006-04-27 Hitachi Zosen Corp Vapor deposition equipment

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