JPH0346732A - Magnetron and manufacture thereof - Google Patents
Magnetron and manufacture thereofInfo
- Publication number
- JPH0346732A JPH0346732A JP18338989A JP18338989A JPH0346732A JP H0346732 A JPH0346732 A JP H0346732A JP 18338989 A JP18338989 A JP 18338989A JP 18338989 A JP18338989 A JP 18338989A JP H0346732 A JPH0346732 A JP H0346732A
- Authority
- JP
- Japan
- Prior art keywords
- sealing
- cathode
- stem
- fitting
- support rod
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000007789 sealing Methods 0.000 claims abstract description 71
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000005304 joining Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 29
- 239000002184 metal Substances 0.000 abstract description 29
- 239000000463 material Substances 0.000 abstract description 22
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000005219 brazing Methods 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 229910003271 Ni-Fe Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000833 kovar Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- PRPINYUDVPFIRX-UHFFFAOYSA-N 1-naphthaleneacetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CC=CC2=C1 PRPINYUDVPFIRX-UHFFFAOYSA-N 0.000 description 1
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- PCEXQRKSUSSDFT-UHFFFAOYSA-N [Mn].[Mo] Chemical compound [Mn].[Mo] PCEXQRKSUSSDFT-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Microwave Tubes (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明はマグネトロンの陰極構体の構造及びその製造方
法の改良に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to improvements in the structure of a magnetron cathode structure and its manufacturing method.
（ロ） 従来の技術
従来、この種マグネトロンの陰極構体として、例えば特
開昭５６−１３２７４７号公報が知られている。(b) Prior Art Conventionally, a cathode structure for this type of magnetron is known, for example, in Japanese Patent Application Laid-open No. 132747/1983.
この構造を第１５図に基づき説明すると、（５１）はフ
ィラメント、（５２）はフィラメント（５１）上端を支
持するトップハツト、（５３）はフィラメント（５１）
下端を支持するエンドハツトで、フィラメント（５１）
、トップハツト（５２）及びエンドハツト（５３）によ
り陰極（５０）を構成している。（５４）はトップハツ
ト（５２）を支持する支持棒となるトップリード、（５
５）はエンドハツト（５３）を支持する支持棒となるエ
ンドリード、（５６）はトップリード（５４）とエンド
リード（５５）を貫通孔（５７）に挿入して支持するセ
ラミ・ンク製陰極ステム、（５８）は貫通孔（５７）を
覆って両ノード（５４）（５５）周縁を陰極ステム（５
６）に気密に接続する封止金具である。To explain this structure based on FIG. 15, (51) is a filament, (52) is a top hat that supports the upper end of the filament (51), and (53) is a filament (51).
At the end hat supporting the lower end, the filament (51)
, a top hat (52), and an end hat (53) constitute a cathode (50). (54) is the top lead that becomes the support rod that supports the top hat (52);
5) is an end lead that serves as a support rod that supports the end hat (53), and (56) is a ceramic cathode stem that supports the top lead (54) and end lead (55) by inserting them into the through hole (57). , (58) covers the through hole (57) and connects the periphery of both nodes (54) and (55) to the cathode stem (5).
6) is a sealing fitting that is airtightly connected to.
この陰極構体は、陰極（５０）を第１５図とは反転した
状態に治具にて支持し、治具上に筒状金属容器（５９）
を載置し、金属容器（５９）上にロウ材、陰極ステム（
５６）、ロウ材、封止金具（５８）を順次積層し、各部
材をロウ付固定して製造される。In this cathode structure, the cathode (50) is supported by a jig in an inverted state from that shown in FIG. 15, and a cylindrical metal container (59) is mounted on the jig.
placed on the metal container (59), and the brazing material and cathode stem (
56), a brazing material, and a sealing metal fitting (58) are sequentially laminated, and each member is fixed with brazing.
しかしながら、封止金具（５８）は微小な部品であるた
め、両リード（５４）（５５）への嵌合作業が困難で、
熟練を要し、作業時間がかかつて作業効率が低下する欠
点があった。However, since the sealing fitting (58) is a minute component, it is difficult to fit it to both the leads (54) and (55).
This method requires skill, takes time, and reduces work efficiency.
（ハ）発明が解決しようとする課題
本発明は上記欠点に鑑みなされたもので、作業性及び作
業効率を向上し得るマグネトロンとその製造方法を提供
することを課題とする。(c) Problems to be Solved by the Invention The present invention has been made in view of the above-mentioned drawbacks, and an object thereof is to provide a magnetron and a method for manufacturing the same that can improve workability and efficiency.
（ニ）課題を解決するための手段
封止金具は、支持棒を陰極ステムに気密接合する一対の
封止部と、封止部間に架設され、封止金具の陰極ステム
への装着後除去される接続部とを一体形成する。(d) Means for solving the problem The sealing fitting is installed between a pair of sealing parts that hermetically connect the support rod to the cathode stem, and the sealing part, and is removed after the sealing fitting is attached to the cathode stem. The connecting portion is integrally formed with the connecting portion.
また、製造方法は、陰極と陰極を支持する一対の支持棒
を設ける工程、支持棒が挿入される透孔を各々有する一
対の封止部と封止部を接続する接続部とを一体形成した
封止金具を設ける工程、支持棒が貫通する貫通孔又は支
持棒が挿入される凹部を有する陰極ステムを設ける工程
、陰極を支持する工程、支持棒に封止部の透孔を挿入す
る工程、支持棒に陰極ステムの貫通孔又は凹部を挿入す
る工程、封止部と陰極ステムと支持棒を気密接合する工
程、支持棒に透孔を挿入した封止金具の接続部を除去す
る工程を備えている。In addition, the manufacturing method includes a step of providing a cathode and a pair of support rods that support the cathode, a pair of sealing parts each having a through hole into which the support rods are inserted, and a connecting part connecting the sealing parts. a step of providing a sealing fitting, a step of providing a cathode stem having a through hole through which the support rod passes or a recess into which the support rod is inserted, a step of supporting the cathode, a step of inserting the through hole of the sealing part into the support rod, The method includes a step of inserting the through hole or recess of the cathode stem into the support rod, a step of airtightly joining the sealing portion, the cathode stem, and the support rod, and a step of removing the connecting portion of the sealing fitting in which the through hole is inserted into the support rod. ing.
（ホ）作 用
上述の構造及び製造方法であれば、封止金具は、従来の
封止金具に相当する封止部を一対一体的に形成している
ので、部品が大型化し、把持しやすくなると共に、支持
棒への装着工程が一度で済みて作業性及び作業効率が向
上する。(E) Effect With the structure and manufacturing method described above, the sealing fitting has a sealing part corresponding to a conventional sealing fitting integrally formed, so the parts are large and easy to grip. At the same time, the process of attaching it to the support rod only needs to be done once, improving workability and efficiency.
（へ）実施例
本発明の一実施例を第１図乃至第３図及び第１４図に基
づき以下に詳述する。(F) Embodiment An embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 3 and FIG. 14.
第１４図において、（１）は内周面から中心に向って複
数のベイン（２）を配設した陽極筒体、（３）は前記ベ
イン（２）先端で囲まれる空間に配設された陰極で、フ
ィラメント（４）と、フィラメント（４）の両端を支持
するモリブデン類のトップハツト（５）及びエンドハツ
ト（６）とから構成されている。In Fig. 14, (1) is an anode cylinder in which a plurality of vanes (2) are arranged from the inner peripheral surface toward the center, and (3) is an anode cylinder arranged in a space surrounded by the tips of the vanes (2). The cathode is composed of a filament (4), and a molybdenum top hat (5) and end hat (6) that support both ends of the filament (4).
（７）（８）は前記陽極筒体（１）の両端開口に配設さ
れた鉄等の磁性材料製ボールピー２．（９）（１０）は
ポールピース（７）（８）を覆い、陽極筒体（１）に気
密接合する筒状金属容器、（１１）は一端を前記ベイン
（２）に接続した出力導体、（１２）はセラミック製絶
Ｒ筒体（１３）を介して前記金属容器（９）に接合され
る出力部で、真空容器内を排気する際の排気の案内とな
ると共にチップオフにより前記出力導体（１１）を挟持
している。 （１４）は前記出力部（１２）を覆うキャ
ップである。(7) and (8) are ball peas made of a magnetic material such as iron, which are disposed at both end openings of the anode cylinder (1). (9) and (10) are cylindrical metal containers that cover the pole pieces (7) and (8) and are hermetically sealed to the anode cylinder (1); (11) is an output conductor whose one end is connected to the vane (2); (12) is an output part that is connected to the metal container (9) through a ceramic cut-out R cylinder (13), which serves as an exhaust guide when evacuating the inside of the vacuum container, and also serves as a tip-off to connect the output conductor to the metal container (9). (11) is held in between. (14) is a cap that covers the output section (12).
（１５）は前記陰極（３）のトップハツト（５）を支持
する支持棒となるモリブデン類のトップリード、（１６
）は前記エンドハツト（６）を支持する支持棒となるモ
リブデン類のエンドリード、（１７）は前記金属容器（
１０）に接合されるセラミック製陰極ステムで、前記両
リード（１５）（１６）を支持している。(15) is a molybdenum top lead that serves as a support rod for supporting the top hat (5) of the cathode (3); (16)
) is a molybdenum end lead that serves as a support rod for supporting the end hat (6), and (17) is the metal container (
Both leads (15) and (16) are supported by a ceramic cathode stem joined to the lead (10).
そして、これらにより真空容器を構成している。These constitute a vacuum container.
（１８）は前記陽極筒体（１）外周に装着された放熱フ
ィン、（１９）は永久磁石、（２０）は永久磁石（１９
）を磁気的に結合するヨーク、（２１）はシールドボッ
クスである。(18) is a heat radiation fin attached to the outer periphery of the anode cylinder (1), (19) is a permanent magnet, and (20) is a permanent magnet (19).
), and (21) is a shield box.
第１図乃至第３図に基づき本発明一実施例の陰極構体を
説明する。A cathode structure according to an embodiment of the present invention will be explained based on FIGS. 1 to 3.
前記陰極ステム（１７）は、−面外周部にリング状突部
（２２）を形成し、この突部（２２）が金属容器（１０
）の接合面（Ａ）となっている、前記陰極ステム（１７
）には、一対の貫通孔（２３）が穿設され、陰極ステム
（１７）他面には貫通孔（２３）を中心に一対の円状の
凸部（２４）が形成され、この凸部（２４）が後述する
封止金具（２チ）の接合面（Ｂ）となっている。The cathode stem (17) has a ring-shaped protrusion (22) formed on the outer periphery of the -plane, and this protrusion (22) is attached to the metal container (10).
) is the joint surface (A) of the cathode stem (17
) is provided with a pair of through holes (23), and a pair of circular protrusions (24) are formed on the other surface of the cathode stem (17) around the through holes (23). (24) is a joint surface (B) of a sealing fitting (2 pieces) to be described later.
前記両液台面（Ａ）（Ｂ）には、モリブデン−マンガン
ペーストを塗布し、これを乾燥後、１４００°Ｃ程度の
不活性ガス加熱炉に入れて焼結し、所謂メタライズ層を
形成している。A molybdenum-manganese paste is applied to the surfaces (A) and (B) of both liquids, and after drying, the paste is sintered in an inert gas heating furnace at about 1400°C to form a so-called metallized layer. There is.
（２５）は封止金具で、前記リード（１５）（１６）が
嵌合する透孔（２６）を有する一対の封止部（２７）と
封止部を接続する接続部（２８）とを一体形成しており
、封止部Ａ（２５）は、各々の封止部（２７）の透孔（
２６）にノード（１５）（１６）を嵌合して封止部（２
７）を陰極ステム（１７）の凸部（２４）に装着し、こ
の状態で接続部（２８）を除去するようになっている。(25) is a sealing fitting, which includes a pair of sealing parts (27) having through holes (26) into which the leads (15) and (16) fit, and a connecting part (28) connecting the sealing parts. The sealing part A (25) is formed integrally with the through hole (27) of each sealing part (27).
26) by fitting the nodes (15) and (16) into the sealing part (2
7) is attached to the convex portion (24) of the cathode stem (17), and in this state, the connecting portion (28) is removed.
前記封止金具（２５）は陰極ステム（１７）と類似した
熱膨張係数を有し、前記メタライズ層を介してろう接し
やすい金属、例えば、Ｎｉ−Ｆｅ合金、コバール（商品
名）等が使用される。The sealing fitting (25) has a coefficient of thermal expansion similar to that of the cathode stem (17), and is made of a metal that is easily soldered through the metallized layer, such as Ni-Fe alloy or Kovar (trade name). Ru.
次に製造方法を説明する。Next, the manufacturing method will be explained.
陰極（３）を第３図の状態から反転し治具（図示しない
）にて固定する。治具上に金属容器（１０）をＭ、置し
、金属容器（１ｏ）上にロウ材を載置してリード（１５
）（１６）を貫通孔（２６）に挿入して陰極ステム（１
７）をロウ材上に＃７．置する。さらに、陰彌ステム（
１７）の凸部（２４）上にロウ材を載置し、リード（１
５）（１６）を透孔（２６）に嵌挿して封止金具（２５
）をロウ材上に＃７．置する。The cathode (3) is reversed from the state shown in FIG. 3 and fixed with a jig (not shown). Place the metal container (10) M on the jig, place the brazing material on the metal container (1o), and attach the lead (15).
) (16) into the through hole (26) and insert the cathode stem (1
7) onto the brazing material #7. place In addition, the Inya stem (
Place the brazing material on the protrusion (24) of the lead (17), and
5) Insert (16) into the through hole (26) and seal the sealing fitting (25).
) onto the brazing material #7. place
この状態で８００℃程度の加熱炉に入れてロウ材を溶か
し、各部品をロウ接する。In this state, it is placed in a heating furnace at about 800°C to melt the brazing material and solder the parts together.
その後、封止金具（２５）の接続部（２８）をレーザー
、カッター等により切断する。Thereafter, the connecting portion (28) of the sealing fitting (25) is cut using a laser, a cutter, or the like.
第４図は本発明の他の実施例の陰極構体を示し、陰極ス
テム（１７）は、一対の貫通孔（２３）が穿設され、−
面には貫通孔（２３）を中心に一対の円状の凸部（２９
）が形成され、この凸部（２９）が封止金具（２５）の
接合面（Ｂ）となっている。また、陰極ステム（１７）
の−面には、外周部に金属容器（１０）の接合面（・Ａ
）を形成している０両液合面（Ａ）（Ｂ）には前述の実
施例と同様にしてメタライズ層が形成されている。FIG. 4 shows a cathode structure according to another embodiment of the present invention, in which the cathode stem (17) is provided with a pair of through holes (23), and -
The surface has a pair of circular protrusions (29) centered around the through hole (23).
) is formed, and this convex portion (29) serves as the joint surface (B) of the sealing fitting (25). In addition, the cathode stem (17)
The - side of the metal container (10) has a joint surface (A) on the outer periphery.
) A metallized layer is formed on the two liquid contact surfaces (A) and (B) in the same manner as in the previous embodiment.
この構造における製造方法を説明すると、陰極（３）を
第４図の状態から反転し、治具にて固定する。治具上に
金属容器（１０）を載置すると共に、封止金具（２５）
を、リード（１５）（１６）を透孔（２６）に嵌挿して
治具上に載置する。金属容器（１０）及び封止金具（２
５）上にロウ材を載置し、陰極ステム（１７）を、ノー
ド（１５）（１６）を貫通孔（２３）に挿入してロウ村
上に載置する。To explain the manufacturing method for this structure, the cathode (3) is reversed from the state shown in FIG. 4 and fixed with a jig. A metal container (10) is placed on the jig, and a sealing fitting (25) is placed on the jig.
The leads (15) and (16) are inserted into the through holes (26) and placed on the jig. Metal container (10) and sealing fittings (2
5) Place a brazing material on top, insert the cathode stem (17) and the nodes (15) and (16) into the through holes (23), and place it on the wax bar.
そして、第４図の状態に反転し、ｓｏｏ’ｃ程度の加熱
炉でロウ材を溶かし、各部品をロウ接する。Then, the state is reversed to the state shown in FIG. 4, the brazing material is melted in a heating furnace of about soo'c, and the parts are brazed together.
その後、前述の実施例と同様に封止金具（２Ｓ）の接続
部（２８）を切断する。Thereafter, the connecting portion (28) of the sealing fitting (2S) is cut in the same manner as in the previous embodiment.
第５図乃至第８図は本発明の更に他の実施例の陰極構体
を示し、陰極ステム（１７）は縦断面逆Ｕ字状をなし、
−面にリング状の凹部り３０）を有し、この凹部（３０
）の内側の面が封止金具（２５）を接合するための略半
円状の接合面（Ｂ）とされ、外側の円周面が金属容器を
接合するための金属容器（１０）接合面（Ａ）とされる
、これ″ら両液台面（Ａ）、（Ｂ）は中心軸に対して垂
直な同一平面上に位置するように形成されている。他方
の面には、中央部が軸方向に沿って大きくえぐられた大
気側の凹部（３１）が形成されている。モしてステムの
底部には、２個の貫通孔（３２）が穿設され、またこれ
ら貫通孔と対角線状に並んで所定深さを有するり−）−
’（１５）（１６）嵌合用凹部（３３）が穿たれている
。それぞれ一対の貫通孔（３２）および嵌合用凹部（３
３）の中間には、それらを区切るように凹溝（３４）が
形成されている。このようなセラミックステム部品を使
用し、同一面上に位置する接合面（Ａ）（Ｂ）の全面に
、モリブデン（Ｍｏ）−マンガン（Ｍｎ＞ペーストを塗
布する。このペースト塗布にあたっては、両方の接合面
（Ａ）−（Ｂ）が同一面上にあり且つ両液台面の間に突
出部のような何らの障害物がないことを活用して１回の
例えばスクリーン塗布等でこれら全面に塗布することが
できる。そしてこれを乾燥後、１４００°Ｃ程度の不活
性ガス加熱炉に入れて焼結し、所謂メタライズ層を形成
する。5 to 8 show cathode structures according to still other embodiments of the present invention, in which the cathode stem (17) has an inverted U-shape in longitudinal section,
- has a ring-shaped recess 30) on the surface, and this recess (30
) is the approximately semicircular joint surface (B) for joining the sealing fitting (25), and the outer circumferential surface is the joint surface of the metal container (10) for joining the metal container. (A), these two liquid table surfaces (A) and (B) are formed so as to be located on the same plane perpendicular to the central axis.The other surface has a central portion. A recess (31) on the atmosphere side is formed which is largely hollowed out along the axial direction.Two through holes (32) are formed at the bottom of the stem, and diagonal lines with these through holes are formed. They are arranged in a shape and have a predetermined depth.
(15) (16) A fitting recess (33) is bored. A pair of through holes (32) and a fitting recess (3
3), a groove (34) is formed in the middle to separate them. Using such a ceramic stem component, molybdenum (Mo)-manganese (Mn> paste is applied to the entire surface of the joint surfaces (A) and (B) located on the same surface. When applying this paste, both Taking advantage of the fact that the bonding surfaces (A) and (B) are on the same plane and that there are no obstacles such as protrusions between the two liquid table surfaces, the entire surface can be coated with a single screen coating, etc. After drying this, it is placed in an inert gas heating furnace at about 1400° C. and sintered to form a so-called metallized layer.
接合面（Ｂ）にロウ材により気密ロウ接される封止金具
（２５）は、第８図に示す如く、リード（１５）（１６
）及び外部接読リード（３５）（３６）がそれぞれ貫通
する透孔（２６）を有する一対の半円状封止部（２７）
と、封止部を接続する接続部（２８）とから構成されて
いる。As shown in FIG.
) and a pair of semicircular sealing parts (27) having through holes (26) through which the external reading leads (35) and (36) pass, respectively.
and a connecting portion (28) for connecting the sealing portion.
次に、この陰極構体の製造方法を説明する。Next, a method of manufacturing this cathode structure will be explained.
陰極（３）を第５図とは反転した状態に治具にて支持し
、治具上に金属容器（１０）を載置すると共に、封止金
具（２５）を、リード（１５）（１６）を透孔（２６）
に底挿して治具上に載置する。金属容器（１０）及び封
止金具（２５）上にロウ材を載置し、陰極ステム（１７
）を、凹部（３３）にリード（１５）（１６）を挿入し
て金属容器（１０）及び封止金具（２５）上に載置する
。銅或いは鉄のような金属棒からなる一対の外部接続リ
ード（３５）（３６）を、陰極ステム（１７）の貫通孔
（３２）及び封止金具（２５）の透孔（２６）に挿通す
る。The cathode (3) is supported by a jig in an inverted state from that shown in FIG. ) through hole (26)
Insert the bottom and place it on the jig. A brazing material is placed on the metal container (10) and the sealing fitting (25), and the cathode stem (17) is placed on the metal container (10) and the sealing fitting (25).
) is placed on the metal container (10) and the sealing fitting (25) by inserting the leads (15) and (16) into the recess (33). A pair of external connection leads (35) and (36) made of metal rods such as copper or iron are inserted into the through hole (32) of the cathode stem (17) and the through hole (26) of the sealing fitting (25). .
そして、第５図の状態に反転し、加熱炉でロウ材を溶か
し、各部品を気密ロウ接する。その後、前述の実施例と
同様に封止金具（２５）の接続部（２８）を切断する。Then, it is reversed to the state shown in FIG. 5, the brazing material is melted in a heating furnace, and each part is hermetically soldered together. Thereafter, the connecting portion (28) of the sealing fitting (25) is cut in the same manner as in the previous embodiment.
なお、以上の実施例では、各部品をロウ接した後に封止
金具（２５）の接続部（２８）を切断したが、ロウ接す
る前でもよく、即ち、リード（Ｉｓ）（１６）に封止金
具（２５）を装着した後であれば、いつでもよいもので
ある。In the above embodiment, the connection part (28) of the sealing fitting (25) was cut after each component was soldered, but it may be cut before the soldering. This can be done at any time after the metal fittings (25) are attached.
また、陰極ステム（２５〉の接続部（２８）は、第９図
に示す如くわん面形成すれば、接続部（２８）と陰極ス
テム（１７）との間隔を大きくすることができ、切断、
特にカッターによる切断をより容易に行なうことができ
る。In addition, if the connection part (28) of the cathode stem (25> is formed into a round surface as shown in FIG. 9, the distance between the connection part (28) and the cathode stem (17) can be increased, and cutting and
In particular, cutting with a cutter can be performed more easily.
第１０図及び第１１図は封止金具（２５）の他の実施例
を示し、（４０）は銀、又は銀合金等のロウ材層〈４１
）を、コバール（商品名）、Ｎｉ−Ｆｅ合金等の金属部
材（４２）にて挟持した複合金属材料で、この材料（４
０）から第１１図破線にて示すようにプレス加工により
封止金具（２５）を形成する。この時、材料（４０）の
ロウ材層（４１）が接続部（２８）となり、接続部（２
８）は各部品のロウ接時に溶け、金属部材（４２）製の
封止部（１７）に付着する。FIG. 10 and FIG. 11 show other embodiments of the sealing fitting (25), in which (40) is a brazing material layer (41) of silver or silver alloy, etc.
) is sandwiched between metal members (42) such as Kovar (trade name) and Ni-Fe alloy.
0) to form a sealing fitting (25) by press working as shown by the broken line in FIG. At this time, the brazing material layer (41) of the material (40) becomes the connection part (28), and the connection part (2
8) melts during soldering of each component and adheres to the sealing part (17) made of the metal member (42).
第１２図及び第１３図は封止金具（２５）の更に他の実
施例を示し、前述の実施例の材料（４０）の−面にロウ
材層（４１）を形成した複合金属材料から第１３図破線
にて示す如くプレス加工により形成したものである。こ
の実施例の封止金具（２５）であれば、組立時封止金具
（２５）とリード（１５）（１６）と陰極ステム（１７
）とを接合するロウ材の配設工程をなくすことができる
。12 and 13 show still another embodiment of the sealing fitting (25), which is made of a composite metal material in which a brazing metal layer (41) is formed on the negative side of the material (40) of the previous embodiment. It is formed by press working as shown by the broken line in Figure 13. In the case of the sealing fitting (25) of this embodiment, the sealing fitting (25), leads (15) (16) and cathode stem (17) are assembled together.
) can be eliminated.
（ト） 発明の効果
以上の如く、本発明の構造及び製造方法に依れば、封止
金具は、従来の封止金具に相当する封止部を、一対一体
的に形成しているので、部品が大型化し、把持しやすく
なると共に、支持棒への装着工程が一度で済み、作業性
及び作業効率を向上できる等の効果を奏する。(G) Effects of the Invention As described above, according to the structure and manufacturing method of the present invention, the sealing fitting has a sealing portion corresponding to a conventional sealing fitting formed in a pair-to-piece manner. The parts become larger and easier to hold, and the process of mounting them on the support rod only needs to be done once, resulting in improved workability and efficiency.
第１図は本発明一実施例の要部斜視図、第２図は同封止
金具の斜視図、第３図は同断面図、第４図は本発明他の
実施例の要部断面図、第５図は本発明の更に他の実施例
の要部断面図、第６図は同斜視図、第７５！Ｊは同陰極
ステムの斜視図、第８図は同封止金具の斜視図、第９図
は封止金具の他の実施例の斜視図、第１０図は封止金具
の他の実施例の斜視図、第１１図は同封止金具の材料の
斜視図、第１２図は封止金具の他の実施例の斜視図、第
１３図は同封止金具の材料の斜視図、第１４図は断面図
、第１５図は従来の要部断面図である。
（１）・・・陽極筒体、３・・・陰極、（１５）・・・
トップリード、（１６）・・・エンドリード、（１７）
・・・陰極ステム、（２３）・・・ダ貫通孔、（２５）
・・・封止金具、（２６）・・・透孔、（２７）・・・
封止部、（２８）・・・接続部、（３３）・・・凹部。FIG. 1 is a perspective view of a main part of an embodiment of the present invention, FIG. 2 is a perspective view of the same sealing fitting, FIG. 3 is a sectional view of the same, and FIG. 4 is a sectional view of a main part of another embodiment of the invention. FIG. 5 is a sectional view of a main part of still another embodiment of the present invention, FIG. 6 is a perspective view of the same, and FIG. 75! J is a perspective view of the cathode stem, FIG. 8 is a perspective view of the sealing fitting, FIG. 9 is a perspective view of another embodiment of the sealing fitting, and FIG. 10 is a perspective view of another embodiment of the sealing fitting. Fig. 11 is a perspective view of the material of the sealing metal fitting, Fig. 12 is a perspective view of another embodiment of the sealing metal fitting, Fig. 13 is a perspective view of the material of the same sealing metal fitting, and Fig. 14 is a cross-sectional view. , FIG. 15 is a sectional view of a conventional main part. (1)... Anode cylinder, 3... Cathode, (15)...
Top read, (16)...End read, (17)
... Cathode stem, (23) ... Da through hole, (25)
... Sealing fitting, (26) ... Through hole, (27) ...
Sealing part, (28)... Connection part, (33)... Recessed part.
Claims (2)
極を支持する一対の支持棒と、該支持棒を支持する陰極
ステムと、該陰極ステムに固着され、支持棒を陰極ステ
ムに気密接合する封止金具とを備え、前記封止金具は、
支持棒を陰極ステムに気密接合する一対の封止部と、該
封止部間に架設され、封止金具の支持棒への装着後除去
される接続部とを一体形成したことを特徴とするマグネ
トロン。(1) A cathode placed on the central axis of the anode cylinder, a pair of support rods that support the cathode, a cathode stem that supports the support rods, and a cathode stem that is fixed to the cathode stem and connects the support rods to the cathode stem. and a sealing fitting that is hermetically sealed to the
A pair of sealing parts that hermetically connect the support rod to the cathode stem, and a connecting part that is installed between the sealing parts and are removed after the sealing fitting is attached to the support rod are integrally formed. magnetron.
、前記支持棒が挿入される透孔を各々有する一対の封止
部と封止部を接続する接続部とを一体的に形成した封止
金具を設ける工程、前記支持棒が貫通する貫通孔又は支
持棒が挿入される凹部を有する陰極ステムを設ける工程
、前記陰極を支持する工程、前記支持棒に封止部の透孔
を挿入する工程、前記支持棒に陰極ステムの貫通孔又は
凹部を挿入する工程、前記封止部と陰極ステムと支持棒
を気密接合する工程、前記支持棒に透孔を挿入した封止
金具の接続部を除去する工程を備えてなるマグネトロン
の製造方法。(2) A step of providing a cathode and a pair of support rods that support the cathode, and integrally forming a pair of sealing portions each having a through hole into which the support rods are inserted, and a connecting portion connecting the sealing portions. a step of providing a sealing fitting, a step of providing a cathode stem having a through hole through which the support rod passes or a recess into which the support rod is inserted, a step of supporting the cathode, and a step of inserting the through hole of the sealing part into the support rod. a step of inserting a through hole or a recess of the cathode stem into the support rod; a step of airtightly joining the sealing portion, the cathode stem, and the support rod; a connecting portion of the sealing fitting in which the through hole is inserted into the support rod. A method for manufacturing a magnetron comprising a step of removing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18338989A JPH0346732A (en) | 1989-07-14 | 1989-07-14 | Magnetron and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18338989A JPH0346732A (en) | 1989-07-14 | 1989-07-14 | Magnetron and manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0346732A true JPH0346732A (en) | 1991-02-28 |
Family
ID=16134919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18338989A Pending JPH0346732A (en) | 1989-07-14 | 1989-07-14 | Magnetron and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0346732A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952587A (en) * | 2015-06-28 | 2015-09-30 | 广东格兰仕集团有限公司 | Magnetizing mechanism on magnetron production line |
-
1989
- 1989-07-14 JP JP18338989A patent/JPH0346732A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952587A (en) * | 2015-06-28 | 2015-09-30 | 广东格兰仕集团有限公司 | Magnetizing mechanism on magnetron production line |
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