JP2003286048A - Method for manufacturing tempered glass - Google Patents
Method for manufacturing tempered glassInfo
- Publication number
- JP2003286048A JP2003286048A JP2002088978A JP2002088978A JP2003286048A JP 2003286048 A JP2003286048 A JP 2003286048A JP 2002088978 A JP2002088978 A JP 2002088978A JP 2002088978 A JP2002088978 A JP 2002088978A JP 2003286048 A JP2003286048 A JP 2003286048A
- Authority
- JP
- Japan
- Prior art keywords
- glass material
- glass
- heterogeneous phase
- laser light
- tempered
- 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.)
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Links
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- Surface Treatment Of Glass (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、建築材料、板材
料、車両用材料、平面ディスプレイまたは光データー通
信、光データー処理、情報処理等さまざまな分野におい
て利用されるガラス材料に適用する強化ガラスの製造方
法に関する。TECHNICAL FIELD The present invention relates to a tempered glass applied to glass materials used in various fields such as building materials, plate materials, vehicle materials, flat displays or optical data communication, optical data processing, and information processing. It relates to a manufacturing method.
【０００２】[0002]
【従来の技術】従来、ガラス材料の機械的強度を大きく
する強化ガラスの製造方法として、風冷強化法あるいは
化学強化法の手段がとられている。2. Description of the Related Art Conventionally, as a method for producing a tempered glass for increasing the mechanical strength of a glass material, a means of an air cooling tempering method or a chemical tempering method has been adopted.
【０００３】風冷強化法は、ガラス材料の温度を軟化点
以上の高温まで上昇させ、ガラス材料の表面を軟化させ
た後に、軟化したガラス材料の表面に空気等を吹き付け
て、表面を急激に冷却する強化ガラスの製造方法であ
る。軟化したガラス材料の表面を急激に冷却することに
より、ガラス材料の表層部は、圧縮応力の状態になり、
機械的強度が増大する。In the wind-cooling strengthening method, the temperature of the glass material is raised to a temperature higher than the softening point to soften the surface of the glass material, and then air or the like is blown to the surface of the softened glass material to rapidly sharpen the surface. It is a manufacturing method of tempered glass which cools. By rapidly cooling the surface of the softened glass material, the surface layer of the glass material is in a state of compressive stress,
Mechanical strength is increased.
【０００４】化学強化法は、ガラス材料をガラス材料が
有しているアルカリイオンＡ（例えばＮａイオン）より
イオン半径の大きいアルカリイオンＢ（例えばＫイオ
ン）を含む溶融塩等の浴槽に浸漬させて、ガラス材料の
表層のアルカリイオンＡを該アルカリイオンＡよりもイ
オン半径の大きなアルカリイオンＢにイオン交換する強
化ガラスの製造方法である。イオン半径の大きいアルカ
リイオンＢにイオン交換することにより、ガラス材料の
表層が圧縮応力の状態となり、機械的強度が向上する。In the chemical strengthening method, a glass material is immersed in a bath of molten salt or the like containing alkali ions B (for example, K ions) having a larger ionic radius than alkali ions A (for example, Na ions) contained in the glass materials. A method for producing a tempered glass in which an alkali ion A on the surface layer of a glass material is ion-exchanged with an alkali ion B having a larger ionic radius than the alkali ion A. By ion-exchange with alkali ions B having a large ionic radius, the surface layer of the glass material is in a state of compressive stress, and the mechanical strength is improved.
【０００５】[0005]
【発明が解決しようとする課題】風冷強化法は、ガラス
材料を軟化点以上の高温にするため、ガラス材料が軟化
して変形が生じ、製品の形状制御が困難であった。さら
に、強化するためには、ガラス材料に厚みが必要とな
り、厚みが２ｍｍ以下のガラス材料に対しては、機械的
強度を増大させることは著しく困難であった。In the air-cooling tempering method, the glass material is heated to a temperature higher than the softening point, so that the glass material is softened and deformed, which makes it difficult to control the shape of the product. Further, the glass material needs to have a thickness for strengthening, and it is extremely difficult to increase the mechanical strength of the glass material having a thickness of 2 mm or less.
【０００６】化学強化法は、イオン交換を行うためガラ
ス材料の組成が限定されてしまい、さらに、表層の化学
反応により表層が劣化して透明性が失われたり、部分的
な強化が困難という問題があった。In the chemical strengthening method, the composition of the glass material is limited because ion exchange is performed, and further, the chemical reaction of the surface layer deteriorates the surface layer to lose transparency, and it is difficult to partially strengthen the surface. was there.
【０００７】前述するように、風冷強化法あるいは化学
強化法では、強化できるガラス材料が制約されてしまう
という欠点があった。本発明は、風冷強化や化学強化が
困難なガラス材料、特に厚みの小さいガラス材料に適用
できる強化ガラスの製造方法を見いだすことを目的とす
る。As described above, the wind-cooling strengthening method or the chemical strengthening method has a drawback that the glass materials that can be strengthened are limited. An object of the present invention is to find a method for producing a tempered glass that can be applied to a glass material that is difficult to be air-cooled and chemically strengthened, particularly a glass material having a small thickness.
【０００８】[0008]
【課題を解決するための手段】本発明は、強化ガラスの
製造方法において、超短パルスレーザー光の集光照射に
よってガラス材料の表面あるいはガラス材料の内部に異
質相を形成することを特徴とする強化ガラスの製造方法
である。The present invention is characterized in that, in a method for producing a tempered glass, a heterogeneous phase is formed on the surface of a glass material or inside a glass material by focused irradiation of ultrashort pulsed laser light. It is a manufacturing method of tempered glass.
【０００９】また、本発明は、前記強化ガラスの製造方
法において、異質相を、点状、線状あるいは網目状に形
成することを特徴とする強化ガラスの製造方法である。The present invention is also the method for producing tempered glass, wherein the heterogeneous phase is formed in a dot shape, a linear shape, or a mesh shape in the method for producing tempered glass.
【００１０】また、本発明は、前記強化ガラスの製造方
法において、異質相を、板状体のガラス材料の端面近傍
に形成することを特徴する強化ガラスの製造方法であ
る。The present invention is also the method for producing a tempered glass according to the above method for producing a tempered glass, characterized in that the heterogeneous phase is formed in the vicinity of an end face of the glass material of the plate.
【００１１】さらにまた、前記強化ガラスの製造方法に
おいて、超短パルスレーザー光がピコ秒からフェムト秒
のパルスレーザー光であることを特徴とする強化ガラス
の製造方法である。Furthermore, in the above-mentioned tempered glass manufacturing method, the ultrashort pulsed laser light is a picosecond to femtosecond pulsed laser light.
【００１２】[0012]
【発明の実施の形態】ガラス材料とは、Ｎａ2Ｏ−Ｋ2Ｏ
−ＣａＯ−ＳｉＯ2、Ｎａ2Ｏ−ＣａＯ−ＳｉＯ2、Ｌｉ2
Ｏ−Ａｌ2Ｏ3−ＳｉＯ2、ＣａＯ−Ａｌ2Ｏ3−ＳｉＯ2、
Ｎａ2Ｏ−ＣａＯ−Ｂ2Ｏ3、Ｎａ2Ｏ−Ａｌ2Ｏ3−Ｂ2Ｏ3
−ＳｉＯ2、Ｎａ2Ｏ−Ａｌ2Ｏ3−Ｐ2Ｏ5、Ｌｉ2Ｏ−Ｎ
ａ2Ｏ−ＺｎＯ−Ａｌ2Ｏ3−Ｐ2Ｏ5等の酸化物ガラス、
Ｇｅ−Ａｓ−Ｓｅ系やＧｅ−Ｓｂ−Ｓｅ系等のカルコゲ
ナイドガラス、ＬｉＦ−ＢｅＦ 2、ＺｒＦ4−ＢａＦ2−
ＬａＦ3−ＮａＦ（ＺＢＬＡＮガラス）等のフッ化物ガ
ラス、ハロゲン化物ガラス、硫化物ガラスであり、ほと
んどのガラス材料に対して、本発明の方法を適用し、強
化ガラスを製造することができる。BEST MODE FOR CARRYING OUT THE INVENTION A glass material is Na2OK2O
-CaO-SiO2, Na2O-CaO-SiO2, Li2
O-Al2O3-SiO2, CaO-Al2O3-SiO2,
Na2O-CaO-B2O3, Na2O-Al2O3-B2O3
-SiO2, Na2O-Al2O3-P2OFive, Li2ON
a2O-ZnO-Al2O3-P2OFiveOxide glass, etc.
Chalcogenides such as Ge-As-Se system and Ge-Sb-Se system
Nide glass, LiF-BeF 2, ZrFFour-BaF2−
LaF3-Fluoride gas such as NaF (ZBLAN glass)
Lath, halide glass, sulfide glass,
Applying the method of the present invention to most glass materials,
Fog glass can be manufactured.
【００１３】また、ガラス材料の厚みは、特に限定する
ものではないが、従来強化が困難とされている、２ｍｍ
以下の厚みのガラス材料に、本発明を適用することが好
ましい。The thickness of the glass material is not particularly limited, but it is 2 mm which is conventionally difficult to strengthen.
The present invention is preferably applied to a glass material having the following thickness.
【００１４】ガラス材料の表面あるいは表面から目的と
する深さに、レーザー光を集光させる。Laser light is focused on the surface of the glass material or at a desired depth from the surface.
【００１５】レーザー光は例えばＮｄ−ＹＡＧレーザー
励起のＴｉサファイアレーザーによる、ピコ秒からフェ
ムト秒の超短パルスレーザー光であることが好ましい。
パルスレーザー光のパルス幅は、好ましくは数百フェム
ト秒以下である。The laser light is preferably a picosecond to femtosecond ultrashort pulsed laser light by a Ti sapphire laser excited by an Nd-YAG laser, for example.
The pulse width of the pulsed laser light is preferably several hundred femtoseconds or less.
【００１６】レーザー光の波長は可視から近赤外の範囲
で、ガラス材料の吸収が少ない波長を用いることが望ま
しい。好ましくは４００ｎｍから１０００ｎｍの範囲で
ある。The wavelength of the laser beam is in the visible to near infrared range, and it is desirable to use a wavelength at which the glass material absorbs less light. It is preferably in the range of 400 nm to 1000 nm.
【００１７】また、パルスレーザー光のエネルギーは、
数ｎＪ〜１ｍＪであることが好ましく、ガラス材料にア
ブレーションを生じさせない程度のエネルギーで、でき
るだけ高エネルギーにすることが望ましい。The energy of the pulsed laser light is
It is preferably several nJ to 1 mJ, and it is desirable to make the energy as high as possible without causing ablation in the glass material.
【００１８】レーザー光は、レンズ等によりガラス材料
の表面あるいは内部へ集光させる。レ−ザ−光の単位当
たりのエネルギ−にもよるが、異質相を形成するために
は、集光は、径１００μｍ以下のスポット状とすること
が好ましい。The laser light is focused on the surface or inside of the glass material by a lens or the like. Although it depends on the energy per unit of laser light, in order to form a heterogeneous phase, it is preferable that the light is condensed into a spot having a diameter of 100 μm or less.
【００１９】レーザー光の集光点をガラス材料の表面あ
るいは内部で移動させることにより、ガラス材料に異質
相を連続的に形成する。あるいは、レーザー光の集光点
を固定し、ガラス材料を移動させて、ガラス材料に異質
相を形成する。By moving the condensing point of the laser light on the surface of or inside the glass material, a foreign phase is continuously formed in the glass material. Alternatively, the condensing point of the laser light is fixed and the glass material is moved to form a foreign phase in the glass material.
【００２０】レーザー光を集光させる位置は、ガラス材
料の入射面から裏面の間で、任意の位置で選択でき、好
ましくは表面から１０μｍ〜３００μｍの深さの範囲に
する。また、加重の方向に対して強度が必要となる部分
にのみ、レーザー光を集光させ、ガラス材料の一部分の
みを強化してもよい。例えば、板ガラスに加わる圧力や
曲げ加重などでは、図８に示すような板ガラスの中央部
分１１を強化することが好ましく、また、図９に示すよ
うに、割れの発生しやすい板ガラスの端部１２を強化し
てもよい。The position at which the laser light is focused can be selected at any position between the incident surface and the back surface of the glass material, and is preferably in the range of 10 μm to 300 μm from the front surface. Further, the laser light may be focused only on the portion where strength is required in the weighting direction, and only a part of the glass material may be strengthened. For example, it is preferable to strengthen the central portion 11 of the glass sheet as shown in FIG. 8 by the pressure applied to the glass sheet or bending load, and as shown in FIG. May be strengthened.
【００２１】レーザー光をガラス材料の表面あるいは内
部に集光照射することにより、ガラス材料に、高密度化
された領域、結晶化された領域あるいは／およびナノポ
ア化された領域として、微細な相が、周囲とは状態の異
なる異質相が形成されると推測される。このような異質
相は、ガラス材料の破壊時において、クラックの進行す
る方向が異質相において変わり、そのため、破壊強度の
向上となる。By focusing and irradiating the surface or the inside of the glass material with laser light, a fine phase is formed in the glass material as a densified region, a crystallized region and / or a nanopore-formed region. , It is assumed that a heterogeneous phase with a different state from the surrounding is formed. In such a heterogeneous phase, when the glass material is broken, the direction in which cracks progress changes in the heterogeneous phase, and therefore the fracture strength is improved.
【００２２】異質相は、点状、線状あるいは網目状の形
に、ガラス材料の表面あるいはガラス材料の内部に形成
することが好ましい。また、異質相を深さ方向に、３次
元的に形成してもよい。The heterogeneous phase is preferably formed in the shape of dots, lines or meshes on the surface of the glass material or inside the glass material. Further, the heterogeneous phase may be formed three-dimensionally in the depth direction.
【００２３】本発明を限定するものではないが、平板状
のガラス材料に形成される異質相について、図２は、異
質相が点状に形成される例（異質相５）であり、図３
は、異質相が線状に形成される例（異質相６）であり、
図４は、異質相が網目状に形成される例（異質相７）で
ある。Although the present invention is not limited to this, FIG. 2 shows an example of the heterogeneous phase formed in a flat glass material (heterogeneous phase 5), and FIG.
Is an example in which the heterogeneous phase is formed linearly (heterogeneous phase 6),
FIG. 4 is an example (heterogeneous phase 7) in which the heterogeneous phase is formed in a mesh shape.
【００２４】さらに、異質相をガラス材料中に２層以上
に形成してもよい。図５は、ガラス材料が平板の場合、
異質相を２層形成させる例（異質相９）である。また、
異質相をガラス材料中に３次元的に形成してもよく、図
６は、線状に形成される異質相９が、Ａ方向視の側面図
およびＢ方向視の側面図に示すように、ガラス材料中の
深さ方向に変化するようにした例である。Further, the heterogeneous phase may be formed in two or more layers in the glass material. FIG. 5 shows that when the glass material is a flat plate,
This is an example (heterogeneous phase 9) in which two layers of heterogeneous phases are formed. Also,
The heterogeneous phase may be three-dimensionally formed in the glass material, and in FIG. 6, the linearly formed heterogeneous phase 9 is as shown in the side view in the A direction and the side view in the B direction. In this example, the glass material is changed in the depth direction.
【００２５】平板について形成される異質相を説明した
が、平板だけでなく曲面状に成形されているガラス材料
においても、点状、線状、網目状の異質相として形成す
ることが可能である。Although the heterogeneous phase formed on the flat plate has been described, it is possible to form not only the flat plate but also the curved glass material as a heterogeneous phase having a dot shape, a linear shape or a mesh shape. .
【００２６】[0026]
【実施例】実施例１
図１に示すように、ガラス材料３の入射面から深さ５０
０μｍの位置に、超短パルスレーザー光１を集光レンズ
２で集光して約２５μｍのスポットに集光させた。EXAMPLES Example 1 As shown in FIG. 1, a depth of 50 from the entrance surface of the glass material 3 was measured.
The ultrashort pulsed laser light 1 was condensed at a position of 0 μm by the condenser lens 2 and condensed to a spot of about 25 μm.
【００２７】ガラス材料３には、ソーダーライムガラス
Ｎａ2Ｏ−ＣａＯ−ＳｉＯ2（５０ｍｍ×６．５ｍｍ、厚
み１ｍｍのスライドガラス）を用いた。As the glass material 3, soda lime glass Na 2 O-CaO-SiO 2 (50 mm × 6.5 mm, 1 mm thick slide glass) was used.
【００２８】超短パルスレーザー光は、Ｎｄ−ＹＡＧレ
ーザー励起のＴｉサファイアレーザーから発振されたパ
ルス幅１００フェムト秒、繰返し周期１ｋＨｚ、波長８
００ｎｍのフェムト秒レーザー光を利用し、ＮＤフィル
ターを用いて焦点付近での出力を約６５ｍＷに調節し
た。フェムト秒レーザー光の集光する位置を固定し、ガ
ラス材料１を自動ステージを用いて３ｍｍ／ｓｅｃの速
度で直線状に移動し異質相４を繰り返し形成し、図３に
示すような、線間隔が５０μｍの線状の異質相６を形成
した。The ultrashort pulsed laser light was generated by a Nd-YAG laser-excited Ti sapphire laser with a pulse width of 100 femtoseconds, a repetition period of 1 kHz, and a wavelength of 8
The output near the focal point was adjusted to about 65 mW using an ND filter using a femtosecond laser beam of 00 nm. The position where the femtosecond laser beam is focused is fixed, the glass material 1 is linearly moved at a speed of 3 mm / sec by using an automatic stage to repeatedly form the heterogeneous phase 4, and the line spacing as shown in FIG. Formed a linear heterogeneous phase 6 having a particle size of 50 μm.
【００２９】実施例２
フェムト秒レーザー光の集光する深さをガラス材料の入
射面から２００μｍと８００μｍの２つの深さにして、
図５に示すような２層の異質相９，９を、線間隔が１０
０μｍの線状の異質相で形成した。その他は、実施例１
と同様にした。Example 2 The depth of converging femtosecond laser light was set to two depths of 200 μm and 800 μm from the incident surface of the glass material,
The two layers of heterogeneous phases 9 and 9 as shown in FIG.
It was formed with a linear heterogeneous phase of 0 μm. Otherwise, Example 1
Same as.
【００３０】実施例３
フェムト秒レーザー光の集光する深さをガラス材料の入
射面から５００μｍにし、図４に示すような異質相７
を、線間隔が１００μｍの網目状にして形成した。その
他は、実施例１と同様にした。Example 3 The depth of convergence of femtosecond laser light was set to 500 μm from the incident surface of the glass material, and the heterogeneous phase 7 as shown in FIG.
Were formed in a mesh shape with a line interval of 100 μm. Others were the same as in Example 1.
【００３１】実施例１、実施例２および実施例３で作製
した高強度ガラス材料および未処理のスライドガラスに
ついて、支点間距離３０ｍｍ、荷重点間距離１０ｍｍ、
荷重速度０．５ｍｍ／ｍｉｎの４点曲げ強度試験を行
い、曲げ破壊を測定した。With respect to the high-strength glass materials and the untreated slide glass produced in Examples 1, 2 and 3, the distance between fulcrums is 30 mm, the distance between load points is 10 mm,
A 4-point bending strength test was performed at a load speed of 0.5 mm / min to measure bending fracture.
【００３２】表１は、測定された機械的強度であり、図
７は、強度試験で破壊した実施例１の破断面のＳＥＭに
よる観察像である。変位は、スライドガラスの破壊時の
たわみ量である。実施例１，実施例２および実施例３の
高強度ガラス材料は、未強化処理のスライドガラス（表
１の比較例）に対して、機械的強度が３０％以上向上し
た。また、図７に示すＳＥＭの観察像で、破壊時のクラ
ックの進行方向が、異質相で変えられていることが観察
された。Table 1 shows the measured mechanical strength, and FIG. 7 is an SEM image of the fracture surface of Example 1 fractured in the strength test. The displacement is the amount of deflection when the slide glass is broken. The high-strength glass materials of Examples 1, 2 and 3 have improved mechanical strength by 30% or more as compared with unstrengthened slide glass (Comparative Example in Table 1). Further, in the SEM observation image shown in FIG. 7, it was observed that the propagation direction of cracks at the time of fracture was changed by the heterogeneous phase.
【００３３】[0033]
【表１】 [Table 1]
【００３４】[0034]
【発明の効果】本発明の高強度ガラス材料およびその製
造方法は、従来、機械的強度を向上させることが困難で
あったガラス材料について、高強度ガラス材料としての
使用を可能にする。INDUSTRIAL APPLICABILITY The high-strength glass material and the method for producing the same according to the present invention make it possible to use a glass material, which has been difficult to improve mechanical strength, as a high-strength glass material.
【図１】ガラス材料に超短パルスレーザー光を集光させ
ている概念側面図である。FIG. 1 is a conceptual side view in which ultrashort pulsed laser light is focused on a glass material.
【図２】点状の密度の異なる相で形成される異質相の概
念斜視図である。FIG. 2 is a conceptual perspective view of a heterogeneous phase formed of phases having different dot densities.
【図３】線状の密度の異なる相で形成される異質相の概
念斜視図である。FIG. 3 is a conceptual perspective view of a heterogeneous phase formed of linear phases having different densities.
【図４】網目状の密度の異なる相で形成される異質相の
概念斜視図である。FIG. 4 is a conceptual perspective view of a heterogeneous phase formed of a mesh-like phase having different densities.
【図５】深さ方向に２層形成される異質相の概念側面図
である。FIG. 5 is a conceptual side view of a heterogeneous phase formed in two layers in the depth direction.
【図６】３次元的に形成される異質相の概念斜視図およ
び側面図である。FIG. 6 is a conceptual perspective view and a side view of a three-dimensionally formed heterogeneous phase.
【図７】本実施例１の高強度ガラス材料の破断面の図面
代用のＳＥＭ観察像である。FIG. 7 is an SEM observation image of a fracture surface of the high-strength glass material of Example 1 as a substitute for a drawing.
【図８】板ガラスの中央部分に形成される異質相の概念
平面図である。FIG. 8 is a conceptual plan view of the heterogeneous phase formed in the central portion of the plate glass.
【図９】板ガラスの端部に形成される異質相の概念平面
図である。FIG. 9 is a conceptual plan view of a heterogeneous phase formed at the edge of the plate glass.
１ 超短パルスレーザー光 ２ 集光レンズ ３ ガラス材料 ４、５、６、７、８、９ 異質相 １０ クラック １１、１２ 異質相を形成する部分 1 Ultra short pulse laser light 2 condenser lens 3 glass materials 4, 5, 6, 7, 8, 9 Heterogeneous phase 10 cracks 11,12 parts forming heterogeneous phase
───────────────────────────────────────────────────── フロントページの続き (71)出願人 000002200 セントラル硝子株式会社 山口県宇部市大字沖宇部5253番地 (72)発明者 岩野 隆史 茨城県つくば市春日２丁目11−１ ４ レ イクハイツ203号 (72)発明者 武島 延仁 千葉県流山市西初石４−476−４−105 (72)発明者 黒岩 裕 千葉県柏市柏６−８−37−810 (72)発明者 伊井 一夫 千葉県船橋市藤原６−１−11 (72)発明者 平尾 一之 京都府京都市左京区田中下柳町８番地の94 Ｆターム(参考） 4G059 AA01 AA08 AB05 AC16 ─────────────────────────────────────────────────── ─── Continued front page (71) Applicant 000002200 Central Glass Co., Ltd. 5253 Oki Ube, Oza, Ube City, Yamaguchi Prefecture (72) Inventor Takashi Iwano 2-11-14 Kasuga, Tsukuba City, Ibaraki Prefecture Iku Heights No. 203 (72) Inventor Nobuhito Takeshima 4-476-4-105 Nishihaseki, Nagareyama City, Chiba Prefecture (72) Inventor Hiroshi Kuroiwa 6-8-37-810 Kashiwa, Kashiwa City, Chiba Prefecture (72) Inventor Kazuo Ii 6-1-11 Fujiwara, Funabashi City, Chiba Prefecture (72) Inventor Kazuyuki Hirao 94, 8 Tanaka Shimoyanagi-cho, Sakyo-ku, Kyoto City, Kyoto Prefecture F-term (reference) 4G059 AA01 AA08 AB05 AC16
Claims (4)
スレーザー光の集光照射によってガラス材料の表面ある
いはガラス材料の内部に異質相を形成することを特徴と
する強化ガラスの製造方法。1. A method for producing tempered glass, which comprises forming a heterogeneous phase on the surface of the glass material or inside the glass material by converging irradiation of ultrashort pulsed laser light.
成することを特徴とする請求項１に記載の強化ガラスの
製造方法。2. The method for producing a tempered glass according to claim 1, wherein the heterogeneous phase is formed in a dot shape, a linear shape, or a mesh shape.
に形成することを特徴する、請求項１あるいは請求項２
のいずれかに記載の強化ガラスの製造方法。3. The heterogeneous phase is formed in the vicinity of the end face of the glass material of the plate-like body, according to claim 1 or 2.
The method for producing a tempered glass according to any one of 1.
ト秒のパルスレーザー光であることを特徴とする請求項
１乃至請求項３のいずれかに記載の強化ガラスの製造方
法。4. The method for producing tempered glass according to claim 1, wherein the ultrashort pulsed laser light is picosecond to femtosecond pulsed laser light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002088978A JP3956286B2 (en) | 2002-03-27 | 2002-03-27 | Method for producing tempered glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002088978A JP3956286B2 (en) | 2002-03-27 | 2002-03-27 | Method for producing tempered glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003286048A true JP2003286048A (en) | 2003-10-07 |
| JP3956286B2 JP3956286B2 (en) | 2007-08-08 |
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|---|---|---|---|
| JP2002088978A Expired - Fee Related JP3956286B2 (en) | 2002-03-27 | 2002-03-27 | Method for producing tempered glass |
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|---|---|---|---|---|
| JP2007212805A (en) * | 2006-02-10 | 2007-08-23 | Central Glass Co Ltd | Birefringent optical element and its manufacturing method |
| JP2009221046A (en) * | 2008-03-17 | 2009-10-01 | Sony Corp | Laser-processed object |
| EP2322488A1 (en) | 2009-10-30 | 2011-05-18 | Canon Kabushiki Kaisha | Joined unit of glass base members, airtight envelope, and method for producing glass structural unit |
| JP2013055160A (en) * | 2011-09-01 | 2013-03-21 | Canon Inc | Light transmissive member, optical device, and manufacturing method of them |
| KR101505470B1 (en) * | 2013-05-03 | 2015-03-24 | 주식회사 엘티에스 | Method for manufacturing tempered glass cell |
| US9790128B2 (en) | 2013-08-07 | 2017-10-17 | Corning Incorporated | Laser controlled ion exchange process and glass articles formed therefrom |
| DE102020119306A1 (en) | 2020-07-22 | 2022-01-27 | Trumpf Laser- Und Systemtechnik Gmbh | Apparatus and method for curing a transparent material |
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2002
- 2002-03-27 JP JP2002088978A patent/JP3956286B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007212805A (en) * | 2006-02-10 | 2007-08-23 | Central Glass Co Ltd | Birefringent optical element and its manufacturing method |
| JP2009221046A (en) * | 2008-03-17 | 2009-10-01 | Sony Corp | Laser-processed object |
| EP2322488A1 (en) | 2009-10-30 | 2011-05-18 | Canon Kabushiki Kaisha | Joined unit of glass base members, airtight envelope, and method for producing glass structural unit |
| US10370896B2 (en) | 2009-10-30 | 2019-08-06 | Canon Kabushiki Kaisha | Joined unit of glass base members, and airtight envelope |
| JP2013055160A (en) * | 2011-09-01 | 2013-03-21 | Canon Inc | Light transmissive member, optical device, and manufacturing method of them |
| KR101505470B1 (en) * | 2013-05-03 | 2015-03-24 | 주식회사 엘티에스 | Method for manufacturing tempered glass cell |
| US9790128B2 (en) | 2013-08-07 | 2017-10-17 | Corning Incorporated | Laser controlled ion exchange process and glass articles formed therefrom |
| US10737976B2 (en) | 2013-08-07 | 2020-08-11 | Corning Incorporated | Laser controlled ion exchange process and glass articles formed therefrom |
| DE102020119306A1 (en) | 2020-07-22 | 2022-01-27 | Trumpf Laser- Und Systemtechnik Gmbh | Apparatus and method for curing a transparent material |
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| Publication number | Publication date |
|---|---|
| JP3956286B2 (en) | 2007-08-08 |
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