JPH0750598B2 - Tube manufacturing method - Google Patents
Tube manufacturing methodInfo
- Publication number
- JPH0750598B2 JPH0750598B2 JP61023225A JP2322586A JPH0750598B2 JP H0750598 B2 JPH0750598 B2 JP H0750598B2 JP 61023225 A JP61023225 A JP 61023225A JP 2322586 A JP2322586 A JP 2322586A JP H0750598 B2 JPH0750598 B2 JP H0750598B2
- Authority
- JP
- Japan
- Prior art keywords
- dielectric multilayer
- multilayer film
- glass bulb
- bulb
- acid
- 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 - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000011521 glass Substances 0.000 claims description 25
- 239000002253 acid Substances 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 238000007598 dipping method Methods 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、ガラスバルブの外面に誘電体多層膜を形成し
た管球の製造方法に関する。Description: TECHNICAL FIELD The present invention relates to a method for producing a bulb having a dielectric multilayer film formed on the outer surface of a glass bulb.
従来の技術 従来この種の管球に使用される誘電体多層膜としては、
高屈折率の金属酸化物層（TiO2,ZnS）と低屈折率の金属
酸化物層（SiO2，MgF2）を積層した赤外線反射可視光透
過膜が知られている。誘電体多層膜の形成方法として
は、従来金属化合物溶液中にガラスバルブを浸漬し、そ
の溶液をガラスバルブ外面に付着させ、高温で焼付する
方法，真空蒸着法，スパッター法,CVD法，スプレー法等
が知られている。2. Description of the Related Art Conventionally, as a dielectric multilayer film used for this type of bulb,
An infrared reflection visible light transmission film is known in which a metal oxide layer with a high refractive index (TiO 2 , ZnS) and a metal oxide layer with a low refractive index (SiO 2 , MgF 2 ) are laminated. As a method for forming a dielectric multilayer film, a glass bulb is conventionally immersed in a metal compound solution, the solution is attached to the outer surface of the glass bulb, and baked at a high temperature, a vacuum deposition method, a sputtering method, a CVD method, a spray method. Etc. are known.
発明が解決しようとする問題点 しかし従来は誘電体多層膜が、ガラスバルブの全面にわ
たって形成されていたために、電球製造（封止，ピンチ
シール，チップオフ）の歩留低下の原因になっていた。
さらに、完成球においても、ガラスバルブ頂部に形成さ
れた誘電体多層膜によって、光束低下，色温度のばらつ
き，ハロゲンサイクルの不安定など種々の問題が生じて
いた。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in the past, the dielectric multilayer film was formed over the entire surface of the glass bulb, which caused a decrease in the yield of light bulb manufacturing (sealing, pinch seal, chip-off). .
Further, in the completed sphere, the dielectric multilayer film formed on the top of the glass bulb causes various problems such as a decrease in luminous flux, a variation in color temperature, and an unstable halogen cycle.
問題点を解決するための手段 この目的を達成するために、本発明の管球の製造方法
は、頂部および胴部外面に誘電体多層膜が形成されたガ
ラスバルブの前記頂部を酸またはアルカリ溶液中に浸漬
し引き出す工程を合計２回以上繰り返すことにより、前
記ガラスバルブの頂部外面に形成された前記誘電体多層
膜を除去する構成を有する。Means for Solving the Problems In order to achieve this object, a method of manufacturing a tube according to the present invention is a method of manufacturing a bulb, wherein the top of a glass bulb having a dielectric multilayer film formed on the top and the outer surface of the body is treated with an acid or alkali solution. The dielectric multilayer film formed on the outer surface of the top portion of the glass bulb is removed by repeating the step of immersing in the glass bulb and pulling it out twice in total.
作用 この製造方法により、ガラスバルブの頂部の誘電体膜と
酸またはアルカリ溶液との化学反応が均一化し、誘電体
多層膜を効率よく除去することができる。Action By this manufacturing method, the chemical reaction between the dielectric film on the top of the glass bulb and the acid or alkali solution becomes uniform, and the dielectric multilayer film can be efficiently removed.
実施例 第１図は本発明の実施例方法を説明するための図であ
る。第１図において、あらかじめ外面全体に誘電体多層
膜２が形成されたガラスバルブ１の頂部４および排気管
５を酸またはアルカリ溶液３の中に除去したい位置まで
浸漬した後、酸またはアルカリ溶液３からガラスバルブ
１を引き上げ、頂部４および排気管５を酸またはアルカ
リ溶液３から引き出し、その後再びその中に頂部４およ
び排気管５を浸漬し、しかる後頂部４および排気管５を
引き出す。このように浸漬および引き出し工程を合計２
回以上繰り返すことにより、頂部４および排気管５に形
成された誘電体多層膜２を除去する。誘電体多層膜２は
TiO2−SiO2の８層の積層構造になっている。Embodiment FIG. 1 is a diagram for explaining an embodiment method of the present invention. In FIG. 1, the top part 4 and the exhaust pipe 5 of the glass bulb 1 having the dielectric multilayer film 2 formed on the entire outer surface in advance are dipped in the acid or alkali solution 3 to a position where it is desired to be removed, and then the acid or alkali solution 3 Then, the glass bulb 1 is pulled up, the top part 4 and the exhaust pipe 5 are pulled out from the acid or alkali solution 3, and then the top part 4 and the exhaust pipe 5 are immersed therein again, and then the top part 4 and the exhaust pipe 5 are pulled out. In this way, a total of 2 dipping and withdrawing steps are performed.
The dielectric multilayer film 2 formed on the top portion 4 and the exhaust pipe 5 is removed by repeating the above operation once or more. The dielectric multilayer film 2
It has a laminated structure of 8 layers of TiO 2 —SiO 2 .
以上の方法によれば、ガラスバルブ１の頂部４及び排気
管５を酸またはアルカリ溶液３に浸漬し引き上げる工程
を繰り返すので、ガラスバルブの表面の不要な誘電体多
層膜を酸またはアルカリ溶液で洗い流すことができ、誘
電体多層膜２と酸またはアルカリ溶液との化学反応が均
一となって、誘電体多層膜２の除去ライン（規制ライ
ン）の凹凸、ぼけがなく、また除去残りを全くなくする
ことができる。また、浸漬時間を短くでき、かつ溶液濃
度を低くすることができるので、量産効果が大きく、作
業性も良くすることができる。According to the above method, since the step of immersing the top part 4 and the exhaust pipe 5 of the glass bulb 1 in the acid or alkali solution 3 and pulling up is repeated, the unnecessary dielectric multilayer film on the surface of the glass bulb is washed away with the acid or alkali solution. Therefore, the chemical reaction between the dielectric multilayer film 2 and the acid or alkali solution becomes uniform, so that the removal line (regulation line) of the dielectric multilayer film 2 does not have unevenness or blurring, and there is no removal residue. be able to. Further, since the immersion time can be shortened and the solution concentration can be lowered, the mass production effect is great and the workability can be improved.
第２図は本発明方法によりピンチャー部６の誘電体多層
膜をも除去する場合を示し、また第３図は本発明方法に
より完成球のガラスバルブ１の頂部４の誘電体多層膜２
を除去する場合を示している。FIG. 2 shows the case where the dielectric multilayer film of the pincher portion 6 is also removed by the method of the present invention, and FIG. 3 shows the dielectric multilayer film 2 of the top 4 of the glass bulb 1 of the completed sphere by the method of the present invention.
Shows the case of removing.
第４図は本発明の方法により得られた赤外反射可視光透
過膜からなる誘電体多層膜付電球を示し、フィラメント
８の周囲のガラスバルブ１の部分、つまり胴部の外面に
誘電体多層膜２が形成されている。FIG. 4 shows an electric bulb with a dielectric multilayer film made of an infrared reflective visible light transmissive film obtained by the method of the present invention, in which the dielectric multilayer is provided on the glass bulb 1 around the filament 8, that is, on the outer surface of the body. The film 2 is formed.
第３図は従来の赤外線反射可視光透過膜付電球の一例を
示しバルブ１の表面全体に誘電体多層膜２が形成されて
いる。FIG. 3 shows an example of a conventional light bulb with an infrared reflection visible light transmission film, in which a dielectric multilayer film 2 is formed on the entire surface of a bulb 1.
発明者の実験によれば、浸漬および引き出し工程の回数
が１回の場合、濃度20％のフッ酸で60秒間浸漬させたと
き、ガラスバルブの頂部の誘電体多層膜の除去残りが10
本中３本発生し、かつ除去ラインに凸凹が大きく発生
し、ぼけている状態であった。これは、酸またはアルカ
リ溶液３中にガラスバルブ１の頂部４および排気管５を
１回だけ浸漬した場合には誘電体多層膜２の再付着が起
こるためである。浸漬および引き出し工程の回数が３回
の場合、濃度10％のフッ酸で５秒間浸漬させるだけで、
除去残りが全く発生しなくなり、かつ除去ラインも凸凹
がなくなり、はっきりとしたものであった。浸漬および
引き出し工程の回数は３回が最も良く効果が上がるが、
２回でも実用的に問題のないレベルにまで除去すること
ができることが認められた。４回以上行っても、３回の
レベルより良くも悪くもならないことが分った。According to an experiment conducted by the inventor, when the number of dipping and withdrawing steps is one, when the dipping is performed with hydrofluoric acid having a concentration of 20% for 60 seconds, the removal residue of the dielectric multilayer film on the top of the glass bulb is 10 or less.
Three of them were generated, and large irregularities were generated on the removal line, which was in a blurred state. This is because the dielectric multilayer film 2 is redeposited when the top portion 4 of the glass bulb 1 and the exhaust pipe 5 are immersed only once in the acid or alkali solution 3. If the number of dipping and drawing steps is 3, simply immerse in 10% hydrofluoric acid for 5 seconds,
It was clear that the removal residue did not occur at all and the removal line had no irregularities. The number of dipping and drawing steps is best 3 times, but the effect is the best,
It was confirmed that even two times, it could be removed to a practically acceptable level. It turns out that going 4 or more times does not make it better or worse than the 3rd level.
発明の効果 以上説明したように、本発明の管球の製造方法は、頂部
および胴部外面に誘電体多層膜が形成されたガラスバル
ブの前記頂部を酸またはアルカリ溶液中に浸漬し引き出
す工程を合計２回以上繰り返すことにより、前記ガラス
バルブの頂部外面に形成された前記誘電体多層膜を除去
することによって、管球製造の歩留，生産性を大幅に向
上することができる。また、本発明の方法により得られ
た管球においては光束を向上でき、色温度のばらつきを
なくすことができ、さらにガラスバルブ内にハロゲンが
封入された場合、ハロゲンサイクルの安定などによる寿
命のばらつき幅を小さくすることができるというすぐれ
た効果を有するものである。EFFECTS OF THE INVENTION As described above, the method for producing a bulb of the present invention includes a step of immersing and pulling out the top of the glass bulb having the dielectric multilayer film formed on the top and the outer surface of the body in an acid or alkali solution. By repeating the process a total of two times or more, the dielectric multilayer film formed on the outer surface of the top of the glass bulb is removed, so that the yield and productivity of the bulb manufacturing can be significantly improved. Further, in the tube obtained by the method of the present invention, the luminous flux can be improved, the variation in color temperature can be eliminated, and when halogen is enclosed in the glass bulb, the variation in life due to the stability of the halogen cycle, etc. It has an excellent effect that the width can be reduced.
第１図は本発明の一実施例の管球の製造方法を説明する
ための図、第２図は本発明方法によりガラスバルブのピ
ンチャー部の誘電体多層膜をも除去する場合を説明する
ための図、第３図は本発明の他の実施例を示す説明図、
第４図は本発明の方法により得られた管球の一例を示す
一部切欠正面図である。 １……ガラスバルブ、２……誘電体多層膜、３……酸ま
たはアルカリ溶液、４……ガラスバルブの頂部。FIG. 1 is a diagram for explaining a method of manufacturing a tube according to an embodiment of the present invention, and FIG. 2 is a diagram for explaining a case where the dielectric multilayer film of a pincher portion of a glass bulb is also removed by the method of the present invention. FIG. 3 is an explanatory view showing another embodiment of the present invention,
FIG. 4 is a partially cutaway front view showing an example of a tube obtained by the method of the present invention. 1 ... Glass bulb, 2 ... dielectric multilayer film, 3 ... acid or alkali solution, 4 ... top of glass bulb.
Claims (1)
されたガラスバルブの前記頂部を酸またはアルカリ溶液
中に浸漬し引き出す工程を合計２回以上繰り返すことに
より、前記ガラスバルブの頂部外面に形成された前記誘
電体多層膜を除去することを特徴とする管球の製造方
法。1. A glass bulb having a dielectric multilayer film formed on the top and the outer surface of the body is immersed in an acid or alkali solution for a total of two or more times, and this step is repeated a total of two or more times to obtain a top outer surface of the glass bulb. A method of manufacturing a tube, characterized in that the dielectric multilayer film formed on the substrate is removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61023225A JPH0750598B2 (en) | 1986-02-05 | 1986-02-05 | Tube manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61023225A JPH0750598B2 (en) | 1986-02-05 | 1986-02-05 | Tube manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62180950A JPS62180950A (en) | 1987-08-08 |
| JPH0750598B2 true JPH0750598B2 (en) | 1995-05-31 |
Family
ID=12104691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61023225A Expired - Lifetime JPH0750598B2 (en) | 1986-02-05 | 1986-02-05 | Tube manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0750598B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51140383A (en) * | 1975-05-30 | 1976-12-03 | Iwasaki Electric Co Ltd | Method of removing fluorescent coating |
| JPS567259U (en) * | 1979-06-29 | 1981-01-22 |
-
1986
- 1986-02-05 JP JP61023225A patent/JPH0750598B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62180950A (en) | 1987-08-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |