JPH0875973A - Optical element and manufacture therefor - Google Patents
Optical element and manufacture thereforInfo
- Publication number
- JPH0875973A JPH0875973A JP21116894A JP21116894A JPH0875973A JP H0875973 A JPH0875973 A JP H0875973A JP 21116894 A JP21116894 A JP 21116894A JP 21116894 A JP21116894 A JP 21116894A JP H0875973 A JPH0875973 A JP H0875973A
- Authority
- JP
- Japan
- Prior art keywords
- holder
- optical lens
- optical
- optical element
- glass
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/02—Press-mould materials
- C03B2215/03—Press-mould materials defined by material properties or parameters, e.g. relative CTE of mould parts
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/79—Uniting product and product holder during pressing, e.g. lens and lens holder
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Lens Barrels (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はレンズ等に用いる光学素
子およびその製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical element used for a lens and the like and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】以下、従来の光学素子およびその製造方
法について説明する。2. Description of the Related Art A conventional optical element and its manufacturing method will be described below.
【０００３】従来の光学素子は、特開平４−２１５２８
号公報に示すように、光学ガラス素材をガラスが可塑性
を生じる所定温度まで加熱する第１工程と、加熱した光
学ガラス素材をレンズ形状に加圧成形するとともに、前
記ガラス素材の端部に前記光学ガラス素材の線熱膨脹係
数よりも線熱膨脹係数の大きい保持具を接触させ、一体
成形する第２工程と、前記所定温度からガラスの転移点
まで前記ガラス素材と前記保持具とを加圧、冷却しなが
ら一体成形する第３工程と、成形した光学ガラス素材を
ガラスの転移点以下に冷却する第４工程とを有した構成
である。A conventional optical element is disclosed in Japanese Patent Laid-Open No. 21528/1992.
As shown in the publication, a first step of heating an optical glass material to a predetermined temperature at which the glass becomes plastic, pressure-molding the heated optical glass material into a lens shape, A second step of contacting a holder having a linear thermal expansion coefficient larger than that of the glass material to form a single piece, and pressurizing and cooling the glass material and the holder from the predetermined temperature to the glass transition point. However, this is a configuration including a third step of integrally molding and a fourth step of cooling the molded optical glass material to a glass transition point or lower.
【０００４】[0004]
【発明が解決しようとする課題】上記構成では、ガラス
素材と保持部材との線熱膨脹係数の差に応じて、レンズ
の外径を決める胴型寸法と保持部材の内径寸法の設定を
する必要があるとともに、冷却工程に移る挿入温度の設
定をする必要がある。このとき、保持部材の熱収縮によ
る締めつけによりレンズを常に最良に保持するためには
装置内部にあるガラス素材と保持部材との温度を一定に
保つ必要があり、このガラス素材と保持部材との温度が
一定に保てない場合は、レンズへの保持部材の圧力が高
くなったり抵くなったりして、レンズに歪みが生じた
り、ガラス素材が保持部材より脱落したりするという問
題点を有していた。In the above construction, it is necessary to set the barrel size for determining the outer diameter of the lens and the inner diameter of the holding member according to the difference in the coefficient of linear thermal expansion between the glass material and the holding member. At the same time, it is necessary to set the insertion temperature for the cooling process. At this time, the temperature of the glass material and the holding member inside the device must be kept constant in order to always hold the lens optimally by tightening the holding member due to heat contraction. If it is not kept constant, the pressure of the holding member on the lens becomes high or weak, and there are problems that the lens is distorted or the glass material falls off from the holding member. Was there.
【０００５】本発明は上記問題点を解決するものであ
り、レンズに歪みが生ぜず、ガラス素材が保持部材より
脱落することもない光学素子およびその製造方法を提供
することを目的としている。The present invention solves the above problems, and an object of the present invention is to provide an optical element in which the lens is not distorted and the glass material does not fall off the holding member, and a method for manufacturing the same.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に本発明は、光学レンズと、前記光学レンズを保持する
保持具とを備え、前記保持具は突出部を有し、前記光学
レンズはその端部に前記保持具の突出部を圧接して挾持
する凹部を有した構成である。To achieve the above object, the present invention comprises an optical lens and a holder for holding the optical lens, wherein the holder has a protrusion and the optical lens is It is configured to have a concave portion at its end portion that presses and holds the protruding portion of the holder.
【０００７】また、その製造方法は、光学ガラス素材を
ガラスが可塑性を生じる所定温度まで加熱する第１工程
と、加熱した光学ガラス素材をレンズ形状に加圧成形す
るとともに、前記ガラス素材の端部に突出部を設けた保
持具を接触させ、前記ガラス素材の端部が前記保持具の
突出部を包含するように一体成形する第２工程と、前記
所定温度からガラスの転移点まで前記ガラス素材と前記
保持具とを加圧、冷却しながら一体成形する第３工程
と、成形した光学ガラス素材をガラスの転移点以下に冷
却する第４工程とを有した方法である。Further, the manufacturing method includes a first step of heating the optical glass material to a predetermined temperature at which the glass becomes plastic, a pressure molding of the heated optical glass material into a lens shape, and an end portion of the glass material. A second step in which a holder provided with a protrusion is brought into contact with the holder and the glass material is integrally molded so that the end portion of the glass material includes the protrusion of the holder; and the glass material from the predetermined temperature to the glass transition point. And a third step of integrally molding the holder while pressurizing and cooling, and a fourth step of cooling the molded optical glass material to a glass transition point or lower.
【０００８】[0008]
【作用】上記構成により、光学レンズにはその端部に保
持具の突出部を圧接して挾持する穴を設けているので、
保持具が挟みこまれ光学レンズの脱落がない。また、光
学レンズには保持具による外圧が生じないので、光学レ
ンズの歪みも生じることがない。With the above construction, since the optical lens is provided with the hole for holding the projecting portion of the holder by pressing it at the end thereof,
The holder is sandwiched and the optical lens does not fall off. Further, since no external pressure is generated on the optical lens by the holder, the optical lens is not distorted.
【０００９】[0009]
（実施例１）以下、本発明における光学素子の一実施例
について図面を参照しながら説明する。図１は本発明に
おける光学素子を示す断面図である。(Embodiment 1) An embodiment of the optical element of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing an optical element according to the present invention.
【００１０】図１に示すように、本発明の光学素子は、
フランジ部８を有した光学レンズ１０と、この光学レン
ズ１０を保持する保持具１とを備え、この保持具１はそ
の内側面に断面形状が円状の突出部２を有し、光学レン
ズ１０はその端部であるフランジ部８に保持具１の突出
部２を圧接して挾持する凹部として穴９を有している。
また、光学レンズ１０の材質はガラスとし、保持具１の
材質はニッケル合金等の金属として、光学レンズ１０の
材質の線熱膨脹係数を保持具１の材質の線熱膨脹係数よ
りも大きくしている。このとき、光学レンズ１０に用い
たガラスの線熱膨脹係数は７０〜１００×１０-7（１０
０〜３００℃）程であり、保持具１に用いたニッケル合
金の線熱膨脹係数４０〜６０×１０-7程である。As shown in FIG. 1, the optical element of the present invention comprises:
An optical lens 10 having a flange portion 8 and a holder 1 for holding the optical lens 10 are provided. The holder 1 has a protrusion 2 having a circular cross section on its inner side surface. Has a hole 9 as a concave portion for holding the protruding portion 2 of the holder 1 in pressure contact with the flange portion 8 which is the end thereof.
The optical lens 10 is made of glass, the holder 1 is made of a metal such as nickel alloy, and the coefficient of linear thermal expansion of the material of the optical lens 10 is made larger than that of the material of the holder 1. At this time, the linear thermal expansion coefficient of the glass used for the optical lens 10 is 70 to 100 × 10 −7 (10
0 to 300 ° C.), and the linear thermal expansion coefficient of the nickel alloy used for the holder 1 is about 40 to 60 × 10 −7 .
【００１１】上記構成の光学素子について、以下その動
作について説明する。光学レンズ１０にはその端部に保
持具１の突出部２を圧接して挾持する穴９を設けている
ので、保持具１が穴９に挟みこまれ光学レンズ１０の脱
落がない。また、光学レンズ１０には保持具１による外
圧が生じないので、光学レンズ１０の歪みも生じること
がない。さらに、保持具１はニッケル合金等の金属なの
で、光学機器へ光学素子を取り付ける際、ハンダ付けが
容易である。The operation of the optical element having the above structure will be described below. Since the optical lens 10 is provided with the hole 9 at the end thereof for holding the protruding portion 2 of the holder 1 by pressure, the holder 1 is sandwiched between the holes 9 and the optical lens 10 does not fall off. Further, since no external pressure is generated on the optical lens 10 by the holder 1, the optical lens 10 is not distorted. Furthermore, since the holder 1 is a metal such as a nickel alloy, soldering is easy when attaching an optical element to an optical device.
【００１２】また、光学レンズ１０の材質は線熱膨脹係
数が７０〜１００×１０-7（１００〜３００℃）程のガ
ラスとし、保持具１の材質は線熱膨脹係数が４０〜６０
×１０-7程のニッケル合金等の金属として、光学レンズ
１０の材質の線熱膨脹係数を保持具１の材質の線熱膨脹
係数よりも大きくしている。これにより、光学レンズ１
０の材質と保持具１の材質の線熱膨脹係数の違いから、
保持具１の突出部２は、光学レンズ１０の穴９に挾持さ
れ、光学レンズ１０は保持具１に確実に保持される。The material of the optical lens 10 is glass having a coefficient of linear thermal expansion of about 70 to 100 × 10 −7 (100 to 300 ° C.), and the material of the holder 1 has a coefficient of linear thermal expansion of 40 to 60.
As a metal such as a nickel alloy of about 10 −7, the linear thermal expansion coefficient of the material of the optical lens 10 is made larger than the linear thermal expansion coefficient of the material of the holder 1. As a result, the optical lens 1
From the difference in the coefficient of linear thermal expansion between the material of No. 0 and the material of holder 1,
The protrusion 2 of the holder 1 is held in the hole 9 of the optical lens 10, and the optical lens 10 is securely held by the holder 1.
【００１３】このように本実施例によれば、保持具１の
突出部２が光学レンズ１０の穴９に挾持されるので、光
学レンズ１０は保持具１に確実に保持され、保持具１か
らの光学レンズ１０の脱落がない。また、光学レンズ１
０には保持具１による外圧が生じないので、光学レンズ
１０の歪みも生じることがない。さらに、保持具１はニ
ッケル合金等の金属なので、光学機器へ光学素子を取り
付ける際、ハンダ付けが容易である。As described above, according to this embodiment, since the projecting portion 2 of the holder 1 is held in the hole 9 of the optical lens 10, the optical lens 10 is securely held by the holder 1, The optical lens 10 is not dropped. Also, the optical lens 1
Since no external pressure is generated by the holder 1 at 0, distortion of the optical lens 10 does not occur. Furthermore, since the holder 1 is a metal such as a nickel alloy, soldering is easy when attaching an optical element to an optical device.
【００１４】（実施例２）以下、本発明における光学素
子の製造方法の一実施例について図面を参照しながら説
明する。図２，図３は光学素子の製造工程を示す工程図
である。(Embodiment 2) An embodiment of a method of manufacturing an optical element according to the present invention will be described below with reference to the drawings. 2 and 3 are process diagrams showing the manufacturing process of the optical element.
【００１５】図２，図３に示すように、光学素子の製造
方法は、第１工程として、ガラスからなる光学レンズ素
材３の光軸を制御するタングステンカーバイトからなる
胴型４と、タングステンカーバイトからなる上金型６お
よび下金型７とによって、突出部のある２つのニッケル
合金からなる保持具１に挟まれた光学レンズ素材３を位
置決めするとともに、ガラスが可塑性を生じる所定温度
まで加熱する。このとき、光学レンズに用いたガラスの
線熱膨脹係数は７０〜１００×１０-7（１００〜３００
℃）程であり、保持具に用いたニッケル合金の線熱膨脹
係数４０〜６０×１０-7程である。As shown in FIGS. 2 and 3, in the method of manufacturing an optical element, as a first step, a barrel mold 4 made of tungsten carbide for controlling the optical axis of an optical lens material 3 made of glass, and a tungsten car. The upper mold 6 and the lower mold 7 made of a bite position the optical lens material 3 sandwiched between the two holders 1 made of nickel alloy having protrusions and heated to a predetermined temperature at which the glass becomes plastic. To do. At this time, the linear thermal expansion coefficient of the glass used for the optical lens is 70 to 100 × 10 −7 (100 to 300).
C), and the linear thermal expansion coefficient of the nickel alloy used for the holder is about 40-60 × 10 -7 .
【００１６】第２工程として、加熱した光学レンズ素材
３を上金型６と下金型７とによってレンズ形状に加圧成
形する。同時に、光学レンズ素材３の端部に保持具１の
突出部２を接触させ、光学レンズ素材３の端部が保持具
１の突出部２を包含するように一体成形する。このと
き、保持具１の突出部２は光学レンズ素材３のレンズフ
ランジ部の間に入り込むようにする。In the second step, the heated optical lens material 3 is pressure-molded into a lens shape by the upper mold 6 and the lower mold 7. At the same time, the protrusion 2 of the holder 1 is brought into contact with the end of the optical lens material 3, and the end of the optical lens material 3 is integrally molded so as to include the protrusion 2 of the holder 1. At this time, the protrusion 2 of the holder 1 is inserted between the lens flange portions of the optical lens material 3.
【００１７】第３工程として、ガラスが可塑性を生じる
所定温度からガラスの転移点まで、光学レンズ素材３と
保持具１とを加圧、冷却しながら一体成形する。このと
き、スペーサ５により、上金型６と下金型７の平行度お
よび光学レンズ素材３の厚み寸法を制御する。In the third step, the optical lens material 3 and the holder 1 are integrally molded while being pressed and cooled from a predetermined temperature at which the glass becomes plastic to a transition point of the glass. At this time, the spacer 5 controls the parallelism between the upper mold 6 and the lower mold 7 and the thickness dimension of the optical lens material 3.
【００１８】第４工程として、成形した光学レンズ素材
３をガラスの転移点以下に冷却する。In the fourth step, the molded optical lens material 3 is cooled to below the glass transition point.
【００１９】上記構成の光学素子の製造方法について、
以下その動作について説明する。光学レンズ素材３は線
熱膨脹係数が７０〜１００×１０-7（１００〜３００
℃）程のガラスとし、保持具１は線熱膨脹係数が４０〜
６０×１０-7程のニッケル合金等の金属として、光学レ
ンズ素材３の材質の線熱膨脹係数を保持具１の材質の線
熱膨脹係数よりも大きくしている。これにより、第３工
程において、ガラスが可塑性を生じる所定温度からガラ
スの転移点まで、光学レンズ素材３と保持具１とが加
圧、冷却しながら一体成形される際、光学レンズ素材３
と保持具１の材質の線熱膨脹係数の違いから、保持具１
の突出部２は、光学レンズ素材３の穴９に挾持される。
そして、第４工程において、光学レンズ素材３をガラス
の転移点以下まで冷却することにより、光学レンズ素材
３は保持具１に確実に保持される。With respect to the method of manufacturing the optical element having the above structure,
The operation will be described below. The optical lens material 3 has a coefficient of linear thermal expansion of 70 to 100 × 10 −7 (100 to 300).
C.) and the holder 1 has a linear thermal expansion coefficient of 40 to
As a metal such as a nickel alloy of about 60 × 10 −7, the linear thermal expansion coefficient of the material of the optical lens material 3 is made larger than the linear thermal expansion coefficient of the material of the holder 1. Thereby, in the third step, when the optical lens material 3 and the holder 1 are integrally molded while being pressed and cooled from a predetermined temperature at which the glass becomes plastic to a transition point of the glass, the optical lens material 3 is formed.
Since the difference in the linear thermal expansion coefficient between the material of the holder 1 and the holder 1
The protruding portion 2 is held in the hole 9 of the optical lens material 3.
Then, in the fourth step, by cooling the optical lens material 3 to a temperature not higher than the glass transition point, the optical lens material 3 is reliably held by the holder 1.
【００２０】また、上金型６および下金型７にはテーパ
１１およびテーパ１２とを設けており、保持具１を下金
型７に挿入しやすくするとともに、光学レンズ素材３の
容量バラツキの吸収を図っている。また、保持具１の突
出部２と光学レンズ素材３の接触部分において、必要以
上に圧力が加わらないようにもしている。Further, the upper die 6 and the lower die 7 are provided with a taper 11 and a taper 12 to facilitate the insertion of the holder 1 into the lower die 7 and to prevent a variation in the capacity of the optical lens material 3. It is trying to absorb. Further, the contact between the protrusion 2 of the holder 1 and the optical lens material 3 is prevented from being unnecessarily applied with pressure.
【００２１】このように本実施例によれば、第３工程、
第４工程において、光学レンズ素材３が保持具１の突出
部２によって確実に保持されるので、第４工程後は、保
持具１からの光学レンズ１０の脱落がない。また、光学
レンズ１０には保持具１による外圧が生じないので、光
学レンズ１０の歪みも生じることがない。As described above, according to this embodiment, the third step,
In the fourth step, since the optical lens material 3 is reliably held by the protrusion 2 of the holder 1, the optical lens 10 does not fall off the holder 1 after the fourth step. Further, since no external pressure is generated on the optical lens 10 by the holder 1, the optical lens 10 is not distorted.
【００２２】第１，第２の実施例では、保持具１の材質
として、ニッケル合金等の金属を用い、光学レンズ素材
３の材質としてガラスを用いたが、光学レンズ素材３の
材質および保持具１の材質は、光学レンズ素材３の材質
の線熱膨脹係数が保持具１の材質のよりも大きくなるも
のであればよい。光学レンズ素材３としては樹脂等を用
いることができる。また、保持具１の材質として、セラ
ミック等を用いれば、耐食性に優れたものとなる。In the first and second embodiments, the holder 1 is made of metal such as nickel alloy and the optical lens material 3 is made of glass. However, the material of the optical lens material 3 and the holder are The material of No. 1 may be such that the linear thermal expansion coefficient of the material of the optical lens material 3 is larger than that of the material of the holder 1. Resin or the like can be used as the optical lens material 3. Further, if ceramic or the like is used as the material of the holder 1, it becomes excellent in corrosion resistance.
【００２３】さらに、保持具１の突出部２の形状は、半
球形状、三角錐形状とすれば、光学レンズ１０の穴９の
一点に応力が集中せず、強度が向上する。Further, if the shape of the protrusion 2 of the holder 1 is hemispherical or triangular pyramid, stress is not concentrated at one point of the hole 9 of the optical lens 10 and the strength is improved.
【００２４】また、保持具１の突出部２の形状を球形状
とし、保持具１と突出部２との接合部分をくびれさせれ
ば、光学レンズ１０の強度を向上させるとともに、光学
レンズ１０と保持具１との保持力を向上させることがで
きる。If the protrusion 2 of the holder 1 has a spherical shape and the joint between the holder 1 and the protrusion 2 is constricted, the strength of the optical lens 10 is improved and the optical lens 10 is The holding force with the holder 1 can be improved.
【００２５】[0025]
【発明の効果】以上のように本発明によれば、保持具の
突出部が光学レンズの穴に挾持されるので、光学レンズ
は保持具に確実に保持され、保持具からの光学レンズの
脱落がない。また、光学レンズには保持具による外圧が
生じないので、光学レンズの歪みも生じることがない。
さらに、保持具はニッケル合金等の金属なので、光学機
器へ光学素子を取り付ける際、ハンダ付けが容易であ
る。As described above, according to the present invention, since the protruding portion of the holder is held in the hole of the optical lens, the optical lens is securely held by the holder and the optical lens falls off from the holder. There is no. Further, since no external pressure is generated on the optical lens by the holder, the optical lens is not distorted.
Furthermore, since the holder is a metal such as a nickel alloy, it is easy to solder when attaching the optical element to the optical device.
【００２６】さらに、保持具の突出部の形状は、半球形
状、三角錐形状とすれば、光学レンズの穴の一点に応力
が集中せず、強度が向上する。Further, if the shape of the protruding portion of the holder is a hemispherical shape or a triangular pyramid shape, stress is not concentrated on one point of the hole of the optical lens, and the strength is improved.
【００２７】また、保持具の突出部の形状を球形状と
し、保持具と突出部との接合部分をくびれさせれば、光
学レンズの強度を向上させるとともに、光学レンズと保
持具との保持力を向上させることができる。If the protrusion of the holder is spherical and the joint between the holder and the protrusion is narrowed, the strength of the optical lens is improved and the holding force between the optical lens and the holder is increased. Can be improved.
【図１】本発明における光学素子を示す断面図FIG. 1 is a sectional view showing an optical element according to the present invention.
【図２】同光学素子の製造方法を示す製造工程図FIG. 2 is a manufacturing process chart showing the manufacturing method of the optical element.
【図３】同光学素子の製造方法を示す製造工程図FIG. 3 is a manufacturing process chart showing the manufacturing method of the optical element.
１ 保持具 ２ 突出部 ３ 光学レンズ素材 ４ 胴体 ５ スペーサ ６ 上金型 ７ 下金型 ８ フランジ部 ９ 穴 １０ 光学レンズ １１ テーパ １２ テーパ 1 Holding Tool 2 Projection Part 3 Optical Lens Material 4 Body 5 Spacer 6 Upper Mold 7 Lower Mold 8 Flange 9 Hole 10 Optical Lens 11 Taper 12 Taper
───────────────────────────────────────────────────── フロントページの続き (72)発明者 池田 義昭 京都府綴喜郡田辺町大字大住小字浜55−12 松下日東電器株式会社内 (72)発明者 橋本 明彦 京都府綴喜郡田辺町大字大住小字浜55−12 松下日東電器株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshiaki Ikeda 55-12 Ozumi, Tanabe-cho, Tsuzuki-gun, Kyoto Pref. 55-12 Matsushita Nitto Electric Co., Ltd. 55-12 Shojihama Matsushita Nitto Electric Co., Ltd.
Claims (8)
る保持具とを備え、前記保持具は突出部を有し、前記光
学レンズはその端部に前記保持具の突出部を圧接して挾
持する凹部を有した光学素子。1. An optical lens and a holder for holding the optical lens, wherein the holder has a protruding portion, and the optical lens holds the protruding portion of the holder by pressing the end portion thereof. An optical element having a concave portion.
具の材質の線熱膨脹係数よりも大きくした請求項１記載
の光学素子。2. The optical element according to claim 1, wherein the linear thermal expansion coefficient of the material of the optical lens is larger than the linear thermal expansion coefficient of the material of the holder.
の材質を金属とした請求項１記載の光学素子。3. The optical element according to claim 1, wherein the optical lens is made of glass and the holder is made of metal.
請求項１記載の光学素子。4. The optical element according to claim 1, wherein the protrusion of the holder has a hemispherical shape.
た請求項１記載の光学素子。5. The optical element according to claim 1, wherein the protrusion of the holder has a triangular pyramid shape.
記保持具と前記突出部との接合部分をくびれさせた請求
項１記載の光学素子。6. The optical element according to claim 1, wherein the protrusion of the holder has a spherical shape, and the joint between the holder and the protrusion is constricted.
る所定温度まで加熱する第１工程と、加熱した光学ガラ
ス素材をレンズ形状に加圧成形するとともに、前記ガラ
ス素材の端部に突出部を設けた保持具を接触させ、前記
ガラス素材の端部が前記保持具の突出部を包含するよう
に一体成形する第２工程と、前記所定温度からガラスの
転移点まで前記ガラス素材と前記保持具とを加圧、冷却
しながら一体成形する第３工程と、成形した光学ガラス
素材をガラスの転移点以下に冷却する第４工程とを有し
た光学素子の製造方法。7. A first step of heating an optical glass material to a predetermined temperature at which the glass becomes plastic, and the heated optical glass material is pressure-molded into a lens shape, and a protrusion is provided at an end of the glass material. Second step of bringing the holders into contact with each other and integrally molding so that the end of the glass material includes the protruding portion of the holder, and the glass material and the holder from the predetermined temperature to the glass transition point. A method for manufacturing an optical element, comprising a third step of integrally molding while heating and cooling, and a fourth step of cooling the molded optical glass material to a glass transition point or lower.
の材質の線熱膨脹係数よりも大きくした請求項７記載の
光学素子の製造方法。8. The method for manufacturing an optical element according to claim 7, wherein the linear thermal expansion coefficient of the optical glass material is larger than the linear thermal expansion coefficient of the material of the holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6211168A JP2907016B2 (en) | 1994-09-05 | 1994-09-05 | Optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6211168A JP2907016B2 (en) | 1994-09-05 | 1994-09-05 | Optical element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0875973A true JPH0875973A (en) | 1996-03-22 |
| JP2907016B2 JP2907016B2 (en) | 1999-06-21 |
Family
ID=16601541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6211168A Expired - Lifetime JP2907016B2 (en) | 1994-09-05 | 1994-09-05 | Optical element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2907016B2 (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1162481A2 (en) * | 2000-06-07 | 2001-12-12 | Enplas Corporation | Image pickup lens system |
| WO2003040785A1 (en) * | 2001-11-07 | 2003-05-15 | Nikon Corporation | Optical element, method of manufacturing the optical element, optical system, exposure device, and method of manufacturing micro device |
| EP1455211A2 (en) * | 2003-03-07 | 2004-09-08 | Alps Electric Co., Ltd. | Lens mount with an integrated lens |
| WO2005047952A1 (en) * | 2003-11-17 | 2005-05-26 | Olympus Corporation | A variable-power optical system and electronic device using same |
| JP2005148429A (en) * | 2003-11-17 | 2005-06-09 | Olympus Corp | Variable power optical system and electronic apparatus using same |
| JP2005148614A (en) * | 2003-11-19 | 2005-06-09 | Olympus Corp | Variable power optical system and electronic apparatus using same |
| JP2005156828A (en) * | 2003-11-25 | 2005-06-16 | Olympus Corp | Variable power optical system and electronic device using the same |
| JP2005156829A (en) * | 2003-11-25 | 2005-06-16 | Olympus Corp | Variable power optical system and electronic device using the same |
| JP2007269602A (en) * | 2006-03-31 | 2007-10-18 | Olympus Corp | Method for manufacturing optical component, and molding tool therefor |
| US7386998B2 (en) * | 2003-03-25 | 2008-06-17 | Alps Electric Co., Ltd. | Method of manufacturing holder-mounted optical element |
| JP2009222781A (en) * | 2008-03-13 | 2009-10-01 | Olympus Corp | Optical part and method of manufacturing it |
| CN102262251A (en) * | 2010-05-24 | 2011-11-30 | 奇景半导体股份有限公司 | Wafer scale optical lens substrate, wafer scale optical lens module and manufacturing method thereof |
| JP2015070039A (en) * | 2013-09-27 | 2015-04-13 | 三菱電機株式会社 | Optical module, lens cap for optical module |
| WO2015186502A1 (en) * | 2014-06-02 | 2015-12-10 | アルプス電気株式会社 | Optical element having tube framework attached thereto, and method for manufacturing same |
| US9505647B2 (en) | 2012-02-22 | 2016-11-29 | Konica Minolta, Inc. | Method of manufacturing barrel-integrated lens |
| JP2021015874A (en) * | 2019-07-11 | 2021-02-12 | 住友電気工業株式会社 | Optical module |
| US20220011535A1 (en) * | 2013-06-14 | 2022-01-13 | James Alan Monroe | Lens Alignment System and Method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5772403U (en) * | 1980-10-22 | 1982-05-04 | ||
| JPS5772108A (en) * | 1980-10-22 | 1982-05-06 | Ricoh Co Ltd | Molded lens |
| JPS60126610A (en) * | 1983-12-14 | 1985-07-06 | Matsushita Electric Ind Co Ltd | Forming lens |
| JPS61165514U (en) * | 1985-04-03 | 1986-10-14 |
-
1994
- 1994-09-05 JP JP6211168A patent/JP2907016B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5772403U (en) * | 1980-10-22 | 1982-05-04 | ||
| JPS5772108A (en) * | 1980-10-22 | 1982-05-06 | Ricoh Co Ltd | Molded lens |
| JPS60126610A (en) * | 1983-12-14 | 1985-07-06 | Matsushita Electric Ind Co Ltd | Forming lens |
| JPS61165514U (en) * | 1985-04-03 | 1986-10-14 |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1162481A2 (en) * | 2000-06-07 | 2001-12-12 | Enplas Corporation | Image pickup lens system |
| JP2001350075A (en) * | 2000-06-07 | 2001-12-21 | Enplas Corp | Image pickup lens |
| EP1162481A3 (en) * | 2000-06-07 | 2004-01-02 | Enplas Corporation | Image pickup lens system |
| WO2003040785A1 (en) * | 2001-11-07 | 2003-05-15 | Nikon Corporation | Optical element, method of manufacturing the optical element, optical system, exposure device, and method of manufacturing micro device |
| EP1455211A2 (en) * | 2003-03-07 | 2004-09-08 | Alps Electric Co., Ltd. | Lens mount with an integrated lens |
| EP1455211A3 (en) * | 2003-03-07 | 2004-09-15 | Alps Electric Co., Ltd. | Lens mount with an integrated lens |
| US7386998B2 (en) * | 2003-03-25 | 2008-06-17 | Alps Electric Co., Ltd. | Method of manufacturing holder-mounted optical element |
| WO2005047952A1 (en) * | 2003-11-17 | 2005-05-26 | Olympus Corporation | A variable-power optical system and electronic device using same |
| JP2005148429A (en) * | 2003-11-17 | 2005-06-09 | Olympus Corp | Variable power optical system and electronic apparatus using same |
| JP2005148614A (en) * | 2003-11-19 | 2005-06-09 | Olympus Corp | Variable power optical system and electronic apparatus using same |
| JP2005156829A (en) * | 2003-11-25 | 2005-06-16 | Olympus Corp | Variable power optical system and electronic device using the same |
| JP2005156828A (en) * | 2003-11-25 | 2005-06-16 | Olympus Corp | Variable power optical system and electronic device using the same |
| JP2007269602A (en) * | 2006-03-31 | 2007-10-18 | Olympus Corp | Method for manufacturing optical component, and molding tool therefor |
| JP2009222781A (en) * | 2008-03-13 | 2009-10-01 | Olympus Corp | Optical part and method of manufacturing it |
| CN102262251A (en) * | 2010-05-24 | 2011-11-30 | 奇景半导体股份有限公司 | Wafer scale optical lens substrate, wafer scale optical lens module and manufacturing method thereof |
| US9505647B2 (en) | 2012-02-22 | 2016-11-29 | Konica Minolta, Inc. | Method of manufacturing barrel-integrated lens |
| US20220011535A1 (en) * | 2013-06-14 | 2022-01-13 | James Alan Monroe | Lens Alignment System and Method |
| US11536927B2 (en) * | 2013-06-14 | 2022-12-27 | James Alan Monroe | Lens alignment system and method |
| JP2015070039A (en) * | 2013-09-27 | 2015-04-13 | 三菱電機株式会社 | Optical module, lens cap for optical module |
| WO2015186502A1 (en) * | 2014-06-02 | 2015-12-10 | アルプス電気株式会社 | Optical element having tube framework attached thereto, and method for manufacturing same |
| JP2021015874A (en) * | 2019-07-11 | 2021-02-12 | 住友電気工業株式会社 | Optical module |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2907016B2 (en) | 1999-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0875973A (en) | Optical element and manufacture therefor | |
| US4834749A (en) | Haptic attachment method and assembly | |
| US5695704A (en) | Method for crimping a thermoplastic resin member | |
| JP2002006189A (en) | Optical component and manufacturing method for the same | |
| JPH09243892A (en) | Optical element | |
| JPS598471B2 (en) | Manufacturing method of heat absorbing mount | |
| US6368524B1 (en) | Optical element molding method and optical material for molding optical element | |
| JPH09194222A (en) | Molding method for glass optical element and its molding method | |
| JPH03361Y2 (en) | ||
| JPH0694166B2 (en) | A mold for fusing the ends of the thermoplastic resin band to each other | |
| JP2504997B2 (en) | Optical element molding method | |
| JP3429658B2 (en) | Method for forming constriction in cylindrical member | |
| WO2019097866A1 (en) | Formation mold | |
| JPH079575A (en) | Synthetic resin welding device | |
| JP2582851B2 (en) | Manufacturing method of mold insertion type electrical contact | |
| JPH07135235A (en) | Heating device | |
| JPH02111507A (en) | Mold for insert molding | |
| JPS637027B2 (en) | ||
| JPH0292522A (en) | Manufacture of nonporous tube bundle | |
| JP2002284535A (en) | Mold for forming optical element and method for producing optical element | |
| JP2002018950A (en) | Heater for end part of resin tube, mold processing device and mold processing method | |
| JP3220515B2 (en) | Optical element molding method | |
| KR19990027594A (en) | Pellet support structure of electron gun cathode | |
| JPH1089581A (en) | Manufacture for branch pipe joint of electro-fusion type | |
| JPH0331241B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080402 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090402 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100402 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110402 Year of fee payment: 12 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120402 Year of fee payment: 13 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130402 Year of fee payment: 14 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130402 Year of fee payment: 14 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140402 Year of fee payment: 15 |
|
| EXPY | Cancellation because of completion of term |