CN210605051U

CN210605051U - Film structure and tool of coating film resin light filter

Info

Publication number: CN210605051U
Application number: CN201922116247.0U
Authority: CN
Inventors: 吴志涵; 王强; 宋涛; 陆春媚
Original assignee: Hubei Dongtian Optic Material Technology Co ltd
Current assignee: Hubei Dongtian Micro Technology Co., Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-05-22
Anticipated expiration: 2029-11-28

Abstract

The utility model provides a coating film rete structure of coating film resin filter can improve visible light transmittance to and the tool of this method design of a coating film method and adaptation is proposed, contains the last tool that the cooperation was used and lower tool, improves the problem that original high energy coating technology leads to resin material to curl.

Description

Film structure and tool of coating film resin light filter

Technical Field

The utility model relates to an optical lens piece field especially relates to a coating film rete structure of coating film resin light filter and coating film tool thereof.

Background

The lens coating is to add a film layer on the surface of the lens. The added film reduces the reflected light of the mirror surface, increases the light transmittance, makes the visual objects clearer, and also can prevent flowers, water and ultraviolet rays and is not easy to fatigue. Resin lenses are therefore tough and not brittle and are now widely used. However, the resin lens has a great problem in film coating.

The closest technology before the patent is high-energy double-sided coating design and a process thereof; the high-energy double-sided coating design and the process thereof mainly achieve the required optical characteristics and shape flatness through the design of equal film thickness on two sides and relatively high ion source beam auxiliary deposition. When the technology is used for plating the glass substrate, the first surface can be plated, and after the glass substrate is cleaned and turned over, the second surface is plated, so that the process is simple, and the two-surface film layer plating can be completed without special clamping tools; however, when the technique is used for plating a resin substrate, if the first-side plating is performed, the resin substrate is seriously curled due to the stress of the film layer because of the excellent flexibility of the resin substrate, and the glass material cannot be curled due to the rigidity of the glass material.

SUMMERY OF THE UTILITY MODEL

The utility model provides a coating film rete structure of coating film resin light filter can improve visible light transmittance to and provide a coating film tool, improve the problem that original high energy coating technology leads to the resin material to curl.

The utility model discloses a realize through following technical scheme:

the film layer structure of the coated resin optical filter comprises a resin base material, wherein the resin base material comprises A, B two surfaces, and optical medium films with the thicknesses of 3010nm-3030nm and 2990nm-3010nm are respectively arranged on the two surfaces, wherein the A surface film layer structure is SiO₂+TiO₂+SiO₂+……+TiO₂+SiO₂The three layers of films from inside to outside are respectively 93nm to 103nm, 4nm to 13nm and 40nm to 50nm in thickness, and the last layer of film is 80nm to 90nm in thickness; the B surface film layer is SiO₂+TiO₂+SiO₂+……+TiO₂+SiO₂The total 27 layers are alternately arranged, the thicknesses of the first three layers of films are respectively 95nm-105nm, 3nm-13nm and 40nm-50nm, and the thickness of the last layer of film is 73nm-92 nm; other layers of SiO in the film layer structure₂TiO with a thickness of 140nm-180nm₂The thickness is 70nm-110nm.

Preferably, the film structure of the coated resin filter comprises a resin substrate, wherein the resin substrate comprises A, B two surfaces and optical medium films with the thicknesses of 3023.03nm and 3006.2nm are respectively arranged on the two surfaces, and the structure of the A surface film layer is as follows: SiO 2₂+TiO₂+SiO₂+……+TiO₂+SiO₂The thickness of the three layers of films from inside to outside is respectively 98.4nm, 9.69nm and 45.49nm, and the thickness of the last layer is 85.88 nm; the B surface film layer is SiO₂+TiO₂+SiO₂+……+TiO₂+SiO₂Total 27 layers, three layers from inside to outside with thicknesses of 100.48nm, 8.57nm and 45.59nm respectively, the last layer with a thickness of 78.97nm, and other layers of SiO in the above-mentioned film layer structure₂TiO with a thickness of 140nm-180nm₂The thickness is 70nm-110nm.

Preferably, in order to be used for processing the film layer structure of the film-coated resin optical filter, a film-coating jig of the film-coated resin optical filter is provided, which comprises an upper jig and a lower jig which are matched for use, wherein the upper jig is of a rectangular frame structure, four corners of the upper jig are respectively provided with a conical countersunk hole, an inward extending edge pressing is arranged in the upper jig, the upper surface of the edge pressing is inclined downwards so that the cross section of the edge pressing is triangular, and the lower surface of the edge pressing is inwards recessed to form a rectangular pressing surface; lower tool sets up with the whole mirror image of last tool, and the screw hole that the four corners set up position and toper counter sink and correspond, goes up the tool and uses through the cooperation of conical head screw connection with lower tool, forms the glass pressfitting district between two blank pressing.

Preferably, two positioning grooves are arranged on one side of the glass pressing area, and the positioning grooves are respectively arranged on the opposite sides of the bottom of the upper jig and the bottom of the lower jig.

Preferably, the edge pressing of the upper jig is provided with an arc-shaped opening.

Preferably, the outer sides of four corners of the upper jig and the lower jig are respectively provided with a flange extending outwards, and the flanges of the upper jig and the lower jig are matched together to form the clamping part.

Compared with the prior art, the utility model has the following advantages:

1. ensuring that the light waves are fully subjected to coherent superposition in the visible light wave band, and increasing the visible light transmittance;

2. the utility model discloses the ion source parameter that uses has lower ion beam current energy, and the produced surface stress can be littleer like this at rete deposition in-process to the ion beam current density that is littleer, thereby improves original high energy coating process and leads to the problem that resin material curls.

3. The utility model discloses use special frock tool design. The resin substrate is arranged between the upper jig and the lower jig, four corners of the resin substrate are fixed by screws, so that the four sides of the resin substrate can be effectively prevented from being rolled up due to stress during film coating, and the film coating can be completed by directly overturning the resin substrate during plating of the second surface.

4. The utility model discloses a tool can be applied to after the volume production, creates resin material's volume production record, provides and exceeds the brand-new job post more than 50, for cell-phone terminal brings better formation of image quality promotion, has improved work efficiency and has improved economic benefits.

Drawings

Fig. 1 is an isometric view of an upper surface of an upper jig of a coating jig for a resin optical filter according to embodiment 2 of the present invention.

Fig. 2 is an isometric view of an upper jig lower surface of a coating jig for a resin optical filter according to embodiment 2 of the present invention.

Fig. 3 is an isometric view of a lower surface of a lower jig of a coating jig for a resin filter according to embodiment 2 of the present invention.

Fig. 4 is an isometric view of the lower fixture upper surface of a coating fixture for a resin filter according to embodiment 2 of the present invention.

The reference numbers are as follows:

1. go up tool, 2, counter sink, 3, blank holder, 4, lower tool, 5, screw hole, 6, glass nip area, 7, constant head tank, 8, opening, 9, flange.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

this example proposes a resin substrate comprising A, B two sides, each provided with optical media films having a thickness of 3023.03nm and 3006.2nm, wherein the a-side film layer structure is: SiO 2₂+TiO₂+SiO₂+……

+TiO₂+SiO₂The thickness of the three layers of films from inside to outside is respectively 98.4nm, 9.69nm and 45.49nm, and the thickness of the last layer is 85.88 nm; the B surface film layer is SiO₂+TiO₂+SiO₂+……+TiO₂+SiO₂Total 27 layers, three layers from inside to outside with thicknesses of 100.48nm, 8.57nm and 45.59nm respectively, the last layer with a thickness of 78.97nm, and other layers of SiO in the above-mentioned film layer structure₂The thickness is about 150nm, and the thickness of TiO2 is about 80 nm.

The embodiment can ensure that the light waves are fully subjected to coherent superposition in the visible light wave band, and the visible light transmittance is increased.

In a preferred embodiment of the present invention, vacuum coating is used.

The vacuum coating method is that electrons which move at a high speed are emitted by an electron gun, the electrons are deflected by a strong electromagnetic field and bombarded on the surface of a coating material, so that the originally solid coating material instantly obtains a large amount of heat energy, the van der Waals force between molecules is invalidated by the large amount of heat energy, the kinetic energy is further converted into kinetic energy to obtain the initial movement speed and the initial movement speed is evaporated and moved upwards in a gas form, the initial movement speed is collided and accelerated by high-energy plasma beams in the movement process to obtain a larger movement speed and a uniform movement direction, and the initial movement speed and the uniform movement direction are finally deposited on the surface of a lens. The process of continuous evaporation and deposition is vacuum coating.

In the embodiment, the equipment of the optogun OTFC-1550 type is used for plating, the parameters of the ion source used are shown in table 1, and compared with the parameters of the original high-energy double-sided plating ion source (see table 2), the parameters of the ion source used in the embodiment 2 have lower ion beam energy and lower ion beam density, so that the surface stress generated in the film deposition process is smaller, and the problem of resin material curling caused by the original high-energy plating process is solved.

TABLE 1

TABLE 2

Example 2:

as shown in fig. 1 to 4, the present embodiment provides a coating jig for a resin filter, which includes an upper jig and a lower jig that are used cooperatively, where the upper jig is a rectangular frame structure, four corners of the upper jig are respectively provided with conical countersunk holes, an inwardly extending blank holder is disposed inside the upper jig, an upper surface of the blank holder is inclined downward so that a cross section of the blank holder is triangular, and a lower surface of the blank holder is recessed inward to form a rectangular pressing surface; lower tool sets up with the whole mirror image of last tool, and the screw hole that the four corners set up position and toper counter sink and correspond, goes up the tool and uses through the cooperation of conical head screw connection with lower tool, forms the glass pressfitting district between two blank pressing.

In this embodiment, glass nip area one side is provided with two constant head tanks, and the constant head tank is provided with the opposite side at last tool bottom and lower tool bottom respectively, is provided with the rectangle interface generally for the lens location prevents that the lens from taking place the drunkenness when the coating film.

In this embodiment, the edge pressing of the upper jig is provided with the arc-shaped opening which can be used as a mark to distinguish the upper surface and the lower surface of the glass, so as to prevent confusion after film coating.

In this embodiment, go up the tool and all be provided with the flange that extends outward outside the four corners of tool down, go up the tool and form clamping part with the flange cooperation of tool down together, make things convenient for clamping and transportation, avoid haring the glass body.

When the coating machine is used specifically, the resin base material is arranged between the upper jig and the lower jig, the four corners are fixed by screws, the four edges can be effectively prevented from being rolled up due to stress during coating, and the coating can be completed by directly overturning the second surface during coating.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The film layer structure of the coated resin optical filter is characterized by comprising a resin base material, wherein the resin base material comprises A, B two surfaces and optical medium films with the thicknesses of 3010nm-3030nm and 2990nm-3010nm are respectively arranged on the two surfaces, and the film layer structure on the surface A is SiO₂+TiO₂+SiO₂+……+TiO₂+SiO₂The three layers of films from inside to outside are respectively 93nm to 103nm, 4nm to 13nm and 40nm to 50nm in thickness, and the last layer of film is 80nm to 90nm in thickness; the B surface film layer is SiO₂+TiO₂+SiO₂+……+TiO₂+SiO₂The total 27 layers are alternately arranged, the thicknesses of the first three layers of films are respectively 95nm-105nm, 3nm-13nm and 40nm-50nm, and the thickness of the last layer of film is 73nm-92 nm; other layers of SiO in the film layer structure₂TiO with a thickness of 140nm-180nm₂The thickness is 70nm-110nm.

2. The film structure of claim 1, comprising a resin substrate, wherein the resin substrate comprises A, B sides, and optical medium films with a thickness of 3023.03nm and 3006.2nm are respectively disposed on the two sides, wherein the structure of the film layer on the A side is: SiO 2₂+TiO₂+SiO₂+……+TiO₂+SiO₂The total number of the layers is 23, the thicknesses of three layers of films from inside to outside are respectively 98.4nm, 9.69nm and 45.49nm, and the thickness of the last layer of film is thick85.88 nm; the B surface film layer is SiO₂+TiO₂+SiO₂+……+TiO₂+SiO₂Total 27 layers, three layers from inside to outside with thicknesses of 100.48nm, 8.57nm and 45.59nm respectively, the last layer with a thickness of 78.97nm, and other layers of SiO in the above-mentioned film layer structure₂TiO with a thickness of 140nm-180nm₂The thickness is 70nm-110nm.

3. A coating jig for coating a resin filter, which is used for processing the film layer structure of the resin filter according to claim 1, and comprises an upper jig and a lower jig which are matched for use, wherein the upper jig is of a rectangular frame structure, four corners of the upper jig are respectively provided with a conical countersunk hole, an inward extending edge pressing part is arranged in the upper jig, the upper surface of the edge pressing part is inclined downwards so that the cross section of the edge pressing part is triangular, and the lower surface of the edge pressing part is inwards recessed to form a rectangular pressing surface; lower tool sets up with the whole mirror image of last tool, and the screw hole that the four corners set up position and toper counter sink and correspond, goes up the tool and uses through the cooperation of conical head screw connection with lower tool, forms the glass pressfitting district between two blank pressing.

4. The apparatus of claim 3, wherein two positioning grooves are formed on one side of the glass pressing region, and the positioning grooves are respectively formed on the opposite sides of the bottom of the upper jig and the bottom of the lower jig.

5. The coating tool of claim 3, wherein the edge of the upper tool has an arc-shaped notch.

6. The apparatus of claim 3, wherein the upper and lower jigs have outwardly extending flanges at the outer sides of the four corners thereof, and the flanges of the upper and lower jigs are engaged with each other to form the clamping portion.