CN109095755A - The processing method of glass preform - Google Patents
The processing method of glass preform Download PDFInfo
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- CN109095755A CN109095755A CN201810936144.6A CN201810936144A CN109095755A CN 109095755 A CN109095755 A CN 109095755A CN 201810936144 A CN201810936144 A CN 201810936144A CN 109095755 A CN109095755 A CN 109095755A
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- Prior art keywords
- glass
- viscous state
- molding die
- preform
- clinker
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- 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
Abstract
The application provides a kind of processing method of glass preform, comprising the following steps: heating glass clinker, until glass clinker becomes viscous state glass metal;By viscous state glass metal injection moulding mold;Viscous state glass metal is suppressed using molding die, and is cooled to softening point temperature hereinafter, forming preform;Preform is taken out from molding die, and preform is made annealing treatment.Glass clinker is heated after forming viscous state glass metal, reinjects and pressurizeed into molding die, form preform by the processing method of glass preform provided by the present application;Temperature is higher than softening point temperature when glass clinker is injected into molding die, so having good deformation nature being injected into molding die still;In molding die pressure process, the glass of viscous state becomes preform shape with die pressure, is not in the problem of internal temperature does not reach softening point and bursts;In the case where viscous state glass metal is enough, the incomplete problem of mold filling will not occur.
Description
Technical field
This application involves field of optical device technology, and in particular to a kind of processing method of glass preform
Background technique
Applying the optical glass component in various optical devices is mostly high-precision part, is needed using method for fine finishing
It obtains.To reduce processing cost, optical glass component first manufactures preform when producing, carries out at finishing to preform
Reason.
Existing glass preform processing method has machining process and secondary hot pressing forming method;Traditional machinery adds
Work method mainly uses in the industry the molding method of secondary hot pressing because the reasons such as manufacturing procedure complexity, low efficiency are gradually eliminated.
Secondary hot pressing forming method is the size and shape requirement according to preform, heating treatment is carried out to chunk glass, by glass fiber
Base carries out hot-pressing processing after being heated to softening point temperature;But in actual production because chunk glass lateral area be heated to it is soft
Internal temperature inside temperature may not reach softening point after changing point, so glass may be made by carrying out hot-pressing processing to chunk glass
Glass is burst, or then to cause optics preform yields not high with the incomplete problem of chunk glass punch die.
Summary of the invention
The application provides a kind of processing method of glass preform, to solve the technical issues of background technique refers to.
The application provides a kind of processing method of glass preform, the following steps are included:
Glass clinker is heated, until the glass clinker becomes viscous state glass metal;
By the viscous state glass metal injection moulding mold;
The viscous state glass metal is suppressed using the molding die, and is cooled to softening point temperature hereinafter, forming pre- shape
Part;
The preform is taken out from the molding die, and the preform is made annealing treatment.
Optionally, the heating glass clinker, until the glass clinker becomes viscous state glass metal includes:
Glass clinker is heated, until the glass clinker becomes molten glass liquid;
Cooling handles the molten glass liquid, and the molten glass liquid is made to become the viscous state glass metal.
Optionally, the heating glass clinker, until also being wrapped during the glass clinker becomes molten glass liquid
It includes:
Stir the molten glass liquid.
Optionally, after so that the glass clinker is become the viscous state glass metal, further includes:
Isothermal holding is carried out to the viscous state glass metal.
Optionally, before heating glass clinker, the method also includes:
Chunk glass is crushed, powdery or the granular glass clinker are formed.
Optionally, by the viscous state glass metal injection moulding mold while, further includes:
The weight of the molding die is measured, and judges whether the weight of the molding die is greater than preset weight:
If so, stopping injecting the viscous state glass metal into the molding die;
If it is not, continuing to inject the viscous state glass metal into the molding die.
Optionally, by the viscous state glass metal injection moulding mold, comprising:
Viscous state glass metal drainage is injected by the molding die using material leakage pipe.
Optionally, the method also includes:
When the viscous state glass metal flows through the material leakage pipe, the viscous state glass metal is cooled down or kept the temperature
Processing.
Optionally, before the molding die being injected in viscous state glass metal drainage using material leakage pipe, the method is also
Include:
The material leakage pipe is heated to the impurity glass being discharged in the material leakage pipe.
Optionally, the method carries out under vacuum sealing or under atmosphere protection.
Glass clinker is heated after forming viscous state glass metal by the processing method of glass preform provided by the present application,
It reinjects and is pressurizeed into molding die, forms preform;Because temperature is higher than softening point when glass clinker is in viscous state,
So it has good deformation nature after being injected into molding die;In molding die pressure process, the glass of viscous state with
Die pressure and become preform shape, be not in the problem of internal temperature does not reach softening point and bursts;In viscous state
In the case that glass metal is enough, the incomplete problem of mold filling will not occur.
Detailed description of the invention
Fig. 1 is the processing method flow chart for the glass preform that embodiment provides;
Fig. 2 is the processing unit (plant) schematic diagram that embodiment provides;
Fig. 3 is molding room's station schematic diagram that embodiment provides;.
Fig. 4 is the schematic cross-section of leakage note station and pressing station that embodiment provides;
Wherein: 11- heats room, 111- silica crucible, 12- material leakage device, 121- material leakage pipe, 13- molding room, 131- leakage note
Station, 132- pressing station, 133- cooling station, 134- demoulding station, 135- quenching section, 136- weighing device, 14- annealing
Room.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
The application provides a kind of processing method of glass preform.Fig. 1 is the processing for the glass preform that embodiment provides
Method flow diagram;As shown in Figure 1, processing method above-mentioned includes step S101-S104.
S101: heating glass clinker, until glass clinker becomes viscous state glass metal.
The embodiment of the present application handles glass clinker using heating equipment;Heating equipment includes silica crucible;Glass clinker quilt
It is placed on and adapts to be heated in crucible, to the glass metal for becoming viscous state.Glass clinker becomes viscous state glass metal and refers to
Its glass temperature is already higher than softening point temperature, but there is no in the state for being melted into liquid completely;In no container
In the case where limitation, viscous state glass metal can flow under self gravitation effect.
In practical applications, the specific method that glass clinker becomes viscous state glass metal can have the following two kinds: (1) directly
Glass clinker is heated above the certain temperature of softening point, so that it becomes the glass metal of viscous state;(2) glass clinker is heated
To softening point temperature is much higher than, so that the various component of mixture in glass clinker melt, molten glass liquid is formed;It is right again
Molten glass liquid carries out cooling processing, so that molten glass liquid is changed into viscous state glass metal.
It, can be according to the determining use of difference of component characteristic, optical glass quality requirement in optical glass in practical application
Glass clinker is become viscous state glass metal by which kind of method.Become viscous state glass metal, this Shen to guarantee glass clinker completely
Preceding method (2) heating glass clinker please be used in embodiment.
It should be noted that glass clinker above-mentioned be have already passed through heating, the glass mixture that various components mix.
Using method (1), the various components in glass clinker have been adequately mixed, and can guarantee the viscous state glass to be formed
Each section characteristic is consistent in glass liquid and subsequent preform.
Using method (2), the various components in glass clinker can be sufficiently mixed, and can also not filled
Divide mixing;After being heated to molten condition, various groups of branches gradually homogenize because of diffusion effect in glass clinker.It is contemplated that
The efficiency mixed to glass clinker self-propagating is lower, in order to improve the production efficiency, can also stir and homogenize in molten state
Glass metal.It is contemplated that the glass metal of stirring glass molten state can also improve glass clinker thermal conduction rate, glass is then improved
The melting rate of clinker.
In the embodiment of the present application, molten glass liquid is formed in order to enable glass clinker to melt faster, glass clinker
For powdery or graininess;Aforementioned powdery or granular glass clinker are obtained by crushing chunk glass.
In the embodiment of the present application, in order to guarantee that viscous state glass metal each section temperature characterisitic is consistent, add by glass clinker
After heat to viscous state glass metal, isothermal holding can also be carried out to viscous state glass metal;When isothermal holding, the temperature of glass clinker
Still higher than softening point temperature, so that glass clinker is still in viscous state.In the other embodiments of the application, ensuring glass
It in the case that clinker has been changed to viscous state, can also no longer be operated into isothermal holding above-mentioned, directly execution following process step
Suddenly.
S102: by viscous state glass metal injection moulding mold.
After glass clinker is heated as viscous state glass metal, viscous state glass metal is then injected into molding die.
In concrete operations, directly viscous state glass metal can be injected into molding die by rotation silica crucible,
Drainage tool can be used viscous state glass metal is drained in molding die.In view of the convenience of operation, molding die
Size, the embodiment of the present application use drainage tool, utilize drainage tool water conservancy diversion viscous state glass metal.
In the embodiment of the present application, drainage tool preferably uses material leakage pipe.The top opening of material leakage pipe is larger, is convenient for viscous state
Glass metal injection;And the drainage tube aperture of material leakage pipe is smaller, convenient for the flow of viscous state glass metal in the control unit time.
The forming process of subsequent preform in order to facilitate understanding first does a letter to the forming die structure in the application herein
It is single to introduce;Molding die in the application includes lower die and the upper mold with lower die cooperation;It is provided with forming tank in lower die, is used for
Accept the glass metal of viscous state;The surface of upper mold and lower die cooperation is provided with forming surface;When upper die and lower die are fully mated,
Forming tank and forming surface cooperate and form preform forming cavity.In addition, in order to guarantee extra glutinous stream in subsequent suppression process
Preform forming cavity can be discharged in state glass metal, can also be arranged in upper mold or lower die more than being connected to preform forming cavity
Expect tap.
After viscous state glass metal injection rate meets the requirement to form preform, it can execute step S103.The application
Embodiment judges whether the injection rate of viscous state glass metal reaches requirement by the weight of measurement molding die.
Specifically, molding die (being particularly the lower die of molding die) is placed on weighing device;To shaping mould
During tool injection viscous state glass metal, weighing device weighs the weight of molding die, and is compared with preset weight;Such as
The weight of fruit molding die is greater than or equal to preset weight, then determines that the injection rate of viscous state glass metal is up to standard, stop to molding
Viscous state glass metal is injected in mold;If the weight of molding die is less than preset weight, the injection of viscous state glass metal is determined
Measure it is below standard, continue inject viscous state glass metal.
In other embodiments, it can also determine whether the injection rate of viscous state glass metal meets by judging injection length
It is required that.
It is mentioned above, in the embodiment of the present application, viscous state glass metal is injected into molding die by material leakage Tube Drain
In.In practical application, the temperature of viscous state glass metal may be much higher than softening point temperature, be injected into a large amount of viscous state glass metals
In molding die, it may be necessary to which the temperature of glass metal could be reduced to softening point and form fixation by the long period;In order to reduce
Glass metal is in the curing time of molding die, the flowing viscosity of increase glass metal, when viscous state glass metal flows through material leakage pipe, also
It can use material leakage pipe and cooling processing carried out to glass metal;However, it should be noted that the cooling even across material leakage pipe is handled, glass
Glass liquid should be in viscous state, i.e. the temperature of glass metal still should be higher than that softening point temperature.In practical application, viscous state can control
Viscosity when glass metal is at material leakage tube inlet is 100dPas, and the viscosity in material leakage pipe exit is 1000dPas.
In other specific embodiment, material leakage pipe can also carry out isothermal holding to viscous state glass metal, guarantee
The temperature of viscous state glass metal is stablized, and guarantees the viscosity stablization of glass metal.
It should be noted that in order to guarantee that impurity glass will not be introduced in production;Using material leakage Tube Drain viscous state glass
Before, it needs to heat material leakage pipe, the impurity glass in material leakage pipe is made to melt and be discharged completely.
S103: viscous state glass metal is suppressed using molding die, forms preform.
After viscous state glass metal is injected into the lower die of molding die, the upper mold of molding die is fastened in lower die, and to
Molding die applies pressure;Under pressure, upper die and lower die cooperatively form preform forming cavity, make suitable glass liquid limit
In preform forming cavity, extra glass metal is expelled to outside preform forming cavity system.
After forming preform forming cavity above-mentioned, cooling processing is carried out to molding die and viscous state glass metal, and drop
Below temperature to softening point.Viscous state glass metal solidifies after being cooled to softening point or less, the glass metal in preform forming cavity
It is cooled to preform.
It should be noted that cooling processing above-mentioned more should be carried out slowly, the different zones temperature difference inside preform is avoided
It is excessive and generate stress problem.
S104: taking out preform from molding die, makes annealing treatment to preform.
In practical application, can after the temperature of molding die and preform is reduced to annealing temperature, then by preform from
It is taken out in molding die;It can also be in the case where ensuring that preform will not deform because of stronger external force from molding
It is taken out in mold.After taking out preform, preform is placed in annealing chamber and is made annealing treatment, until preform internal stress
Meet product requirement.
The embodiment of the present application processes chalcogenide glass using foregoing process;Because containing S, Se, Te etc. in chalcogenide glass
VII race element, and this dvielement is easily oxidized, institute's manner described above is under vacuum conditions or under atmosphere protection state
It carries out.
Using processing method above-mentioned, glass clinker is heated to form viscous state glass metal after reinject in molding die into
Row pressurization forms preform;Because glass clinker is in viscous state temperature higher than softening point temperature, it is injected into molding
Still there is good deformation behavior after mold;In molding die pressure process, the glass of viscous state becomes with die pressure
The problem of chunk glass is burst because internal temperature does not reach softening point will not occur such as the prior art in preform shape;
In the case where viscous state glass metal is enough, the incomplete problem of mold filling will not occur.
To manufacture glass preform using preceding method, the embodiment of the present application also provides a kind of processing for implementing preceding method
Device.Fig. 2 is the processing unit (plant) schematic diagram that embodiment provides;Processing unit (plant) includes heating room 11, material leakage device 12, molding room 13
With annealing chamber 14.Silica crucible 111 and heating component are provided in heating room 11;The material leakage pipe 121 that material leakage device 12 includes
With the heating layer of heating material leakage pipe, material leakage pipe 121 is connected to silica crucible 111, the glutinous stream for will flow out from silica crucible 111
State glass metal is drained to molding room 13.Multiple processing stations are provided in molding room 13, for accepting viscous state glass metal and pressing
System forms preform;Annealing chamber 14 is for making annealing treatment molding preform.
Fig. 3 is molding room's station schematic diagram that embodiment provides;As shown in Fig. 2, molding room 13 includes the leakage successively arranged
Note station 131, pressing station 132, multiple cooling stations 133, demoulding station 134 and quenching section 135, aforementioned each station follow
Circle permutation forms the circular pipeline of compacting preform;The lower die and outer sleeve of molding die are provided in each station.
It is underface that leakage note station 131, which is located at material leakage pipe 121, at leakage note station 131, sticks stream shape glass metal and leaks note under
In mould;After material leakage amount is up to standard, lower die and outer sleeve positioned at leakage note station 131 are transferred to pressing station 132, pressing station
The upper mold of molding die is provided in 132;Upper mold is inserted into outer sleeve, cooperates with lower die and suppress viscous state glass metal to shape
At preform;Then, lower die and outer sleeve are transferred to cooling station 133 and carry out cooling processing;After cooling processing, preform exists
Demoulding station 134 carries out demoulding processing, then is transferred to annealing chamber 14;And the molding die after demoulding is transferred to quenching section
135 carry out cooling processing.
Fig. 4 is the schematic cross-section of leakage note station and pressing station that embodiment provides.As shown in figure 4, leakage note station 131
With weighing device 136 is respectively provided on the downside of pressing station 132;Weighing device 136 in leakage note station is for weighing shaping mould
The weight of tool and viscous state glass metal, judges whether the injection rate of viscous state glass metal is up to standard;Positioned at the weighing of pressing station 132
Device 136 is used to weigh the weight of molding die and preform, judges whether the weight of preform is up to standard, then judges molded part
Whether form.
This application provides three embodiments using processing method above-mentioned and process equipment processing preform.
Embodiment one
By As40Se60Chalcogenide glass clinker is added in silica crucible 111 so that process equipment be under vacuum condition or
Under person's atmosphere protection state;Then during which heating glass clinker uses mechanical stirring mode to 700 DEG C of formation molten glass liquid
Molten glass liquid is homogenized;After to be homogenised, glass metal is then cooled to 360 DEG C, molten glass liquid is made to become viscous
Fluidised form glass metal, and isothermal holding is carried out to viscous state glass metal.
Then heating material leakage pipe 121, melts the residual glass liquid in material leakage pipe 121 and is expelled in discarded funnel.
After again, viscous state glass metal is poured onto material leakage pipe 121, injects viscous state glass metal by material leakage pipe 121
Onto the molding die of leakage note station 131;Wait leak the lower weighing molding die of weighing device 136 of note station 131 it is up to standard after, will leak
Molding die in note station 131 is moved to pressing station 132, and the upper mold of molding die is pressed against in lower die and suppresses viscous state
Glass metal, until glass metal forms;The weighing device 136 under molding die weighs the weight of molding die simultaneously, steady to weight
Afterwards, the molding die for being located at pressing station 132 is moved to cooling station 133 and carries out gradually cooling processing;Cool down to preform
To annealing temperature, molding die is moved to demoulding station 134 and is demoulded, and the preform of demoulding is transferred to annealing chamber
14.Meanwhile the molding die lower die for taking out preform is transferred to quenching section 135 and is cooled down, in case subsequent operation.It should
Note that the temperature of quenching section 135 be not it is especially low, its temperature is at 160 DEG C or so in the present embodiment.
Using the processing mold of the present embodiment, can obtain bore is Ф 62, the As of wall thickness 1740Se60Double pre- shapes of spherical surface
Part.
Embodiment two
By Ge10As40Se50Chalcogenide glass clinker is added in silica crucible 111, so that process equipment is in vacuum condition
Under lower or atmosphere protection state;Then during which heating glass clinker uses mechanical stirring to 700 DEG C of formation molten glass liquid
Mode is homogenized molten glass liquid;After to be homogenised, glass metal is then cooled to 390 DEG C, becomes molten glass liquid
For viscous state glass metal, and isothermal holding is carried out to viscous state glass metal, until viscous state temperature of glass liquid is consistent.
Then heating material leakage pipe 121, melts the residual glass liquid in material leakage pipe 121 and is expelled in discarded funnel.
After again, viscous state glass metal is poured onto material leakage pipe 121, injects viscous state glass metal by material leakage pipe 121
Onto the molding die of leakage note station 131;Wait leak the lower weighing molding die of weighing device 136 of note station 131 it is up to standard after, will leak
Molding die in note station 131 is moved to pressing station 132, and the upper mold of molding die is pressed against in lower die and suppresses viscous state
Glass metal, until glass metal forms;The weighing device 136 under molding die weighs the weight of molding die simultaneously, steady to weight
Afterwards, the molding die for being located at pressing station 132 is moved to cooling station 133 and carries out gradually cooling processing;Cool down to preform
To annealing temperature, molding die is moved to demoulding station 134 and is demoulded, and the preform of demoulding is transferred to annealing chamber
14.Meanwhile the molding die lower die for taking out preform is transferred to quenching section 135 and is cooled down, in case subsequent operation.It should
Note that the temperature of quenching section 135 be not it is especially low, its temperature is at 180 DEG C or so in the present embodiment.
Using the processing mold of the present embodiment, can obtain bore is Ф 24, the Ge of wall thickness 1010As40Se50The pre- shape of plano-convex
Part.
Embodiment three
By Ge33As12Se55Chalcogenide glass clinker is added in silica crucible 111, so that process equipment is in vacuum condition
Under lower or atmosphere protection state;Then during which heating glass clinker uses mechanical stirring to 750 DEG C of formation molten glass liquid
Mode is homogenized molten glass liquid;After to be homogenised, glass metal is then cooled to 500 DEG C, becomes molten glass liquid
For viscous state glass metal, and isothermal holding is carried out to viscous state glass metal, until viscous state temperature of glass liquid is consistent.
Then heating material leakage pipe 121, melts the residual glass liquid in material leakage pipe 121 and is expelled in discarded funnel.
After again, viscous state glass metal is poured onto material leakage pipe 121, injects viscous state glass metal by material leakage pipe 121
Onto the molding die of leakage note station 131;Wait leak the lower weighing molding die of weighing device 136 of note station 131 it is up to standard after, will leak
Molding die in note station 131 is moved to pressing station 132, and the upper mold of molding die is pressed against in lower die and suppresses viscous state
Glass metal, until glass metal forms;The weighing device 136 under molding die weighs the weight of molding die simultaneously, steady to weight
Afterwards, the molding die for being located at pressing station 132 is moved to cooling station 133 and carries out gradually cooling processing;Cool down to preform
To annealing temperature, molding die is moved to demoulding station 134 and is demoulded, and the preform of demoulding is transferred to annealing chamber
14.Meanwhile the molding die lower die for taking out preform is transferred to quenching section 135 and is cooled down, in case subsequent operation.It should
Note that the temperature of quenching section 135 be not it is especially low, its temperature is at 320 DEG C or so in the present embodiment.
Using the processing mold of the present embodiment, can obtain bore is φ 98, the Ge of wall thickness 2533As12Se55Concave-convex pre- shape
Part.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from foregoing invention design, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above and disclosed herein but be not limited to similar functions
Technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of processing method of glass preform, it is characterised in that, the following steps are included:
Glass clinker is heated, until the glass clinker becomes viscous state glass metal;
By the viscous state glass metal injection moulding mold;
The viscous state glass metal is suppressed using the molding die, and is cooled to softening point temperature hereinafter, forming preform;
The preform is taken out from the molding die, and the preform is made annealing treatment.
2. the processing method of glass preform according to claim 1, which is characterized in that the heating glass clinker, until
The glass clinker becomes viscous state glass metal
Glass clinker is heated, until the glass clinker becomes molten glass liquid;
Cooling handles the molten glass liquid, and the molten glass liquid is made to become the viscous state glass metal.
3. the processing method of glass preform according to claim 2, which is characterized in that the heating glass clinker, until
During the glass clinker becomes molten glass liquid, further includes:
Stir the molten glass liquid.
4. the processing method of glass preform according to claim 1, which is characterized in that the glass clinker is made to become institute
After stating viscous state glass metal, further includes:
Isothermal holding is carried out to the viscous state glass metal.
5. the processing method of glass preform according to claim 1, which is characterized in that described before heating glass clinker
Method further include:
Chunk glass is crushed, powdery or the granular glass clinker are formed.
6. the processing method of glass preform according to claim 1-5, which is characterized in that by the viscous state
While glass metal injection moulding mold, further includes:
The weight of the molding die is measured, and judges whether the weight of the molding die is greater than preset weight:
If so, stopping injecting the viscous state glass metal into the molding die;
If it is not, continuing to inject the viscous state glass metal into the molding die.
7. the processing method of glass preform according to claim 1-5, which is characterized in that by the viscous state
Glass metal injection moulding mold, comprising:
Viscous state glass metal drainage is injected by the molding die using material leakage pipe.
8. the processing method of glass preform according to claim 7, which is characterized in that further include:
When the viscous state glass metal flows through the material leakage pipe, the viscous state glass metal is carried out at cooling or heat preservation
Reason.
9. the processing method of glass preform according to claim 7, which is characterized in that use material leakage pipe by the glutinous stream
Before the molding die is injected in the drainage of state glass metal, the method also includes:
The material leakage pipe is heated to the impurity glass being discharged in the material leakage pipe.
10. the processing method of glass preform according to claim 1-5, it is characterised in that:
The method carries out under vacuum sealing or under atmosphere protection.
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CN110372206A (en) * | 2019-07-03 | 2019-10-25 | 广东沃能光电科技有限公司 | A kind of manufacturing process of glass lens |
CN110683745A (en) * | 2019-09-26 | 2020-01-14 | 宁波大学 | Injection molding preparation device and preparation method of chalcogenide glass micro-lens |
CN115466039A (en) * | 2021-06-11 | 2022-12-13 | 荣耀终端有限公司 | Curved glass, preparation method thereof and electronic equipment |
CN115806381A (en) * | 2022-12-06 | 2023-03-17 | 深圳市翔通光电技术有限公司 | Glass ceramic pouring forming process and glass ceramic |
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