Unlock instant, AI-driven research and patent intelligence for your innovation.

Material for blocking crosstalk, optical component and manufacturing method of said material

A technology of optical components and components, which is applied in the field of optical communication, can solve the problems of low receiving sensitivity and achieve the effects of improving receiving sensitivity and power, no electromagnetic leakage, and better shielding effect

Active Publication Date: 2018-05-04
HUAWEI TECH CO LTD
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, an embodiment of the present invention provides a material for blocking crosstalk, an optical component and a method for manufacturing the material, which are used to solve the technology of low receiving sensitivity caused by electrical crosstalk or optical crosstalk in the prior art question

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Material for blocking crosstalk, optical component and manufacturing method of said material
  • Material for blocking crosstalk, optical component and manufacturing method of said material
  • Material for blocking crosstalk, optical component and manufacturing method of said material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] see figure 2 , an embodiment of the present invention provides a material for blocking crosstalk, the material includes: a first layer of film 201, a substrate 202 and a second layer of film 203, the first layer of film 201 and the second layer of film 202 are respectively Plated on both sides of the substrate 202, wherein the first layer of film 201 is provided with grid lines and grids arranged alternately on the surface, and the first layer of film 201 is not hollowed out; the second layer of film 203 can transmit the first wavelength of light, reflecting light of the second wavelength.

[0052] Wherein, the first layer of film 201 is used for light transmission and shielding of electrical crosstalk signals, and the second layer of film 203 is used for shielding of optical crosstalk signals. The second layer of film 203 can use various materials used for film coating in the prior art, as long as the material can transmit light to the first wavelength and reflect li...

Embodiment 2

[0076] see Figure 6 , another embodiment of the present invention provides a material manufacturing method for blocking crosstalk, including:

[0077] 601: Coating a second film on one side of the substrate, the second film includes at least two materials with different refractive indices, any one of which can be: oxide, sulfide, or simple substance, etc., the The oxide may be tantalum oxide, and the simple substance may be silicon, etc., which are not specifically limited in this embodiment.

[0078]602: Attach a composite TCO material on the other side of the substrate. For the TCO material, please refer to the description in Embodiment 1, and details will not be repeated here.

[0079] This step can include:

[0080] On the other side of the substrate a composite TCO material was deposited by spin coating.

[0081] 603: Fabricate a grid on the surface of the composite TCO material, so that the grid and grid lines are alternately arranged to form a non-hollowed first lay...

Embodiment 3

[0095] see Figure 9 , an embodiment of the present invention provides an optical component, including: a light receiving component 901;

[0096] The periphery of the light-receiving component 901 includes a light-transmitting area 902 and a non-light-transmitting area 903;

[0097] The light-passing area 902 is the material used to block crosstalk as described in Embodiment 1, the material includes a first layer of film 902a, a substrate 902b and a second layer of film 902c, and the first layer of film 902a is located in the same position as the light receiving On the side opposite to the direction, the second layer of film 902c is located on the side opposite to the light-receiving component, and the non-light-transmitting region 903 is an electrical signal shielding structure.

[0098] For the structure of the crosstalk-blocking material, please refer to the description in Embodiment 1, which will not be repeated here. For the convenience of description, the crosstalk-bloc...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A material used to block crosstalk, optical components, and methods for making such materials. The material comprises: a first layer of film (201), a substrate (202) and a second layer of film (203), a first layer of film (201) and a second layer of film (203) are plated on both sides of the substrate (202), the first layer of film (201) is not hollowed out and the surface is provided with alternating grid lines and grids. The optical component comprises: receiving optical assembly (901); The receiving light assembly (901) includes a light-transmitting region (902) and a non-light-transmitting region (903); The light-transmitting region (901) is the material, and the first layer of film (902a) is located on the opposite side of the light receiving direction, the second layer of film (902c) is located on the side opposite the receiving optical component (901), the non-bright region (903) is an electrical signal shielding structure. The above materials and optical components can ensure the complete isolation of light and electricity, no electromagnetic leakage, better shielding effect, and improve the reception sensitivity and power.

Description

technical field [0001] The invention relates to the technical field of optical communication, in particular to a material for blocking crosstalk, an optical component and a manufacturing method of the material for blocking crosstalk. Background technique [0002] In a passive optical network (Passive Optical Network, PON for short), a bi-directional optical sub-assembly (Bi-direction Optic Sub-Assembly, BOSA for short) is a common optical component. see figure 1 , is a schematic structural diagram of a conventional semiconductor cover (Transistor Outline, TO for short) BOSA. It mainly includes the optical transmitting part (Transmittor, referred to as: Tx), the optical receiving part (Receiver, referred to as: Rx), the BOSA shell (abbreviated: BOX) for fixing Tx and Rx, the wavelength division multiplexing filter (Wave- length Division Multiplexing, referred to as: WDM) and ball lens. Wherein, each of Tx and Rx has a cover on the outside to protect the internal devices, a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G02B5/20H04B10/40
CPCG02B5/20H04B10/40G02B5/204G02B6/4215G02B6/4246G02B6/4263G02B6/4277G02B6/4283
Inventor 周敏程宁廖振兴林华枫
Owner HUAWEI TECH CO LTD