JPH07115539B2 - Thermosensitive translucent material - Google Patents
Thermosensitive translucent materialInfo
- Publication number
- JPH07115539B2 JPH07115539B2 JP61307618A JP30761886A JPH07115539B2 JP H07115539 B2 JPH07115539 B2 JP H07115539B2 JP 61307618 A JP61307618 A JP 61307618A JP 30761886 A JP30761886 A JP 30761886A JP H07115539 B2 JPH07115539 B2 JP H07115539B2
- Authority
- JP
- Japan
- Prior art keywords
- translucent material
- thermosensitive
- amorphous
- present
- metal oxide
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38207—Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は記録材料などの分野で有用な加熱により透光性
が変化する感熱透光性材料に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application] The present invention relates to a heat-sensitive translucent material which is useful in fields such as recording materials and whose translucency is changed by heating.
［従来の技術］ 記録材料分野では感熱性有機染料が感熱式プリンターに
使われている。また、加熱により相変化する材料が記録
用光ディスクに使われている。前者は耐久性が不充分で
あり、後者では相変化による光の散乱によりコントラス
トが不充分のため、読み違いが発生し、信頼性が不充分
である。[Prior Art] In the field of recording materials, thermosensitive organic dyes are used in thermal printers. Further, a material that changes phase by heating is used for a recording optical disc. The former has insufficient durability, and the latter has insufficient contrast due to light scattering due to phase change, resulting in misreading and insufficient reliability.
［発明が解決しようとする問題点］ 本発明は耐久性があり、かつコントラストが明瞭で信頼
性の高い熱記録、光読み出し記録材料を提供しようとす
るものである。[Problems to be Solved by the Invention] The present invention is intended to provide a thermal recording and optical reading recording material which is durable and has a clear contrast and high reliability.
［問題点を解決するための手段］ 本発明者らは、金属酸化物の光学的ならびに熱的特性に
ついて鋭意検討した結果、ビスマス、バナジウムのうち
少なくとも１種、銀、酸素からなる非晶質の金属酸化物
が感熱透光性であることを見出し、本発明に到達した。[Means for Solving the Problems] As a result of earnest studies on the optical and thermal properties of the metal oxides, the present inventors have found that an amorphous material composed of at least one of bismuth and vanadium, silver and oxygen. The inventors have found that the metal oxide is heat-transparent and have reached the present invention.
即ち、本発明は、 一般式AgxMyOz ただし、 Ｍはビスマスおよびバナジウムのうちの少くとも一種、 0.01≦ｘ≦0.6 0.03≦ｙ≦0.3 0.02≦ｚ≦0.7 ｘ＋ｙ＋ｚ＝１ で表わされる組成を有する非晶質金属酸化物感熱透光性
材料である。That is, the present invention provides a general formula Ag x M y O z , where M is at least one of bismuth and vanadium, and a composition represented by 0.01 ≦ x ≦ 0.6 0.03 ≦ y ≦ 0.3 0.02 ≦ z ≦ 0.7 x + y + z = 1 It is an amorphous metal oxide having a heat-transmissive material.
本発明の非晶質金属酸化物の組成において、ビスマス、
バナジウムが共存する場合ビスマス／バナジウムの原子
比は0.03以上30以下が好ましい。In the composition of the amorphous metal oxide of the present invention, bismuth,
When vanadium coexists, the bismuth / vanadium atomic ratio is preferably 0.03 or more and 30 or less.
本発明の非晶質金属酸化物の製造法としては液体急冷
法、スパッタ法、CVD法が挙げられる。Examples of the method for producing the amorphous metal oxide of the present invention include a liquid quenching method, a sputtering method, and a CVD method.
例えば第１図に示す液体急冷法を説明すると、先ず所定
量の金属酸化物粉末を乳鉢で混合粉砕し、高温で加熱し
焼結体を調製する。調製された焼結体の少量を白金ノズ
ル（φ10mm、先端スリット型）２に入れ、高周波加熱コ
イル３を用いて加熱融解させ、この融液を回転冷却板４
に向って加圧空気を用いて噴出させると、冷却板表面で
急冷固化し、非晶質ストリップ５ができる。For example, the liquid quenching method shown in FIG. 1 will be described. First, a predetermined amount of metal oxide powder is mixed and ground in a mortar and heated at a high temperature to prepare a sintered body. A small amount of the prepared sintered body was put into a platinum nozzle (φ10 mm, tip slit type) 2 and heated and melted by using a high frequency heating coil 3, and this melt was rotated and cooled by a cooling plate 4
When it is jetted toward the surface using pressurized air, it is rapidly cooled and solidified on the surface of the cooling plate to form an amorphous strip 5.
［実施例］ 以下実施例によって本発明を具体的に説明する。[Examples] The present invention will be specifically described below with reference to Examples.
実施例１ 酸化銀（Ｉ）11.6g、酸化ビスマス（III）23.4g、酸化
バナジウム（Ｖ）9.1gを混合し、乳鉢でよくすり潰した
後、白金るつぼに入れ、大気中800℃、４時間加熱し、
焼結体を調製した。この組成は一般式 Agx（Bi,V）yOzにおいてｘ＝0.13、ｙ＝0.26、ｚ＝0.61
であった。Example 1 11.6 g of silver (I) oxide, 23.4 g of bismuth (III) oxide and 9.1 g of vanadium (V) oxide were mixed, ground well in a mortar, placed in a platinum crucible, and heated in air at 800 ° C. for 4 hours. Then
A sintered body was prepared. This composition has the general formula Ag x (Bi, V) y O z where x = 0.13, y = 0.26, z = 0.61
Met.
この焼結体2gを白金ノズル（φ10mm、先端スリット型）
に入れ高周波発振器を用いて加熱溶解し、銅製の回転冷
却板（φ200mm、厚さ30mm、回転速度3000rpm）へ1.2kg/
cm2Gの加圧空気を用いて噴出させた結果、厚さ20μｍの
箔が得られた。この箔は第２図のＸ線回折スペクトルが
示すようにハローパターンのみを示し非晶質である。2 g of this sintered body is a platinum nozzle (φ10 mm, tip slit type)
In a high-frequency oscillator, and melt it by heating it to a copper rotating cooling plate (φ200 mm, thickness 30 mm, rotation speed 3000 rpm) at 1.2 kg /
Ejection with cm 2 G of pressurized air resulted in a foil with a thickness of 20 μm. This foil shows only a halo pattern as shown by the X-ray diffraction spectrum in FIG. 2 and is amorphous.
光の透過率は分光光度計（島津MPS2000）を用いて、200
〜700nmの領域で、箔片を直接ホルダーにて固定して測
定した。第３図に光の透過率の結果を示す。450nm以上
の光を透過している。The light transmittance is 200 using a spectrophotometer (Shimadzu MPS2000).
In the region of up to 700 nm, the foil piece was directly fixed with a holder for measurement. FIG. 3 shows the result of light transmittance. It transmits light of 450 nm or more.
試験結果１ 実施例１で調製した箔片を大気中100℃で４時間加熱し
た。加熱後でも箔片は非晶質であった。その光の透過率
を第４図に示す。Test Result 1 The foil piece prepared in Example 1 was heated in air at 100 ° C. for 4 hours. The foil pieces were amorphous even after heating. The light transmittance is shown in FIG.
光の透過率は実施例１と同様な方法で測定した。その結
果透過率は熱処理前の40％に変化していた。The light transmittance was measured by the same method as in Example 1. As a result, the transmittance changed to 40% before the heat treatment.
試験結果２ 実施例１で調製した箱片を大気中150℃、あるいは250℃
で４時間加熱した。加熱後の箔片はいずれも非晶質であ
り、光の透過率は第５図および第６図に示すように、そ
れぞれ30％、２〜３％であった。Test result 2 The box pieces prepared in Example 1 were placed in the atmosphere at 150 ° C or 250 ° C.
Heated for 4 hours. All the foil pieces after heating were amorphous, and the light transmittances were 30% and 2 to 3%, respectively, as shown in FIGS. 5 and 6.
［発明の効果］ 本発明の非晶質金属酸化物は低温加熱により光透過率を
変えることができる。耐久性も高く、光記録材料として
すぐれている。[Effects of the Invention] The amorphous metal oxide of the present invention can change the light transmittance by heating at a low temperature. It has high durability and is excellent as an optical recording material.
第１図は本発明の感熱透光性材料の一製造方法を示す説
明図、 第２図は同、感熱透光性材料のＸ線回折スペクトルを示
すグラフ、 第３図ないし第６図は本発明の感熱透光性材料の光透過
率を示すグラフである。 １……融液、２……白金ノズル、 ３……高周波加熱コイル、４……回転冷却板、 ５……非晶質ストリップ。FIG. 1 is an explanatory view showing a method for producing a heat-sensitive translucent material of the present invention, FIG. 2 is a graph showing an X-ray diffraction spectrum of the heat-transmissive material, and FIGS. It is a graph which shows the light transmittance of the thermosensitive translucent material of invention. 1 ... Melt, 2 ... Platinum nozzle, 3 ... High frequency heating coil, 4 ... Rotating cooling plate, 5 ... Amorphous strip.
Claims (1)
酸化物感熱透光性材料。1. A general formula Ag x M y O z , wherein M is at least one of bismuth and vanadium, and has a composition represented by 0.01 ≦ x ≦ 0.6 0.03 ≦ y ≦ 0.3 0.02 ≦ z ≦ 0.7 x + y + z = 1. An amorphous metal oxide heat-sensitive translucent material having.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61307618A JPH07115539B2 (en) | 1986-12-25 | 1986-12-25 | Thermosensitive translucent material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61307618A JPH07115539B2 (en) | 1986-12-25 | 1986-12-25 | Thermosensitive translucent material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63160882A JPS63160882A (en) | 1988-07-04 |
| JPH07115539B2 true JPH07115539B2 (en) | 1995-12-13 |
Family
ID=17971197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61307618A Expired - Lifetime JPH07115539B2 (en) | 1986-12-25 | 1986-12-25 | Thermosensitive translucent material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07115539B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2589652B2 (en) * | 1993-12-15 | 1997-03-12 | 東亜高級継手バルブ製造株式会社 | Electric welding method |
| US5895733A (en) * | 1997-02-03 | 1999-04-20 | Medtronic, Inc. | Synthesis method for silver vanadium oxide |
-
1986
- 1986-12-25 JP JP61307618A patent/JPH07115539B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63160882A (en) | 1988-07-04 |
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