Methods and apparatuses for casting polymer products
US-2024308162-A1 · Sep 19, 2024 · US
Microlayer coextrusion of optical end products
US10866358B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10866358-B2 |
| Application number | US-201916692225-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 22, 2019 |
| Priority date | Aug 21, 2012 |
| Publication date | Dec 15, 2020 |
| Grant date | Dec 15, 2020 |
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- Title
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Abstract
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The disclosed embodiments generally relate to extruding multiple layers of micro- to nano-polymer layers in a tubular shape. In particular, the aspects of the disclosed embodiments are directed to a method for producing a Bragg reflector comprising co-extrusion of micro- to nano-polymer layers in a tubular shape.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for producing a photonic crystal waveguide extruded product comprising co-extruding micro- to nano-polymer features produced in a single continuous process having an extrusion flow direction, wherein the features are formed by at least two alternating layer compositions stacked in a first direction perpendicular to the extrusion flow direction where at least one of the at least two alternating layer compositions is comprised of alternating first and second materials forming sublayers in the at least one of the at least two alternating layer compositions which are stacked in a second direction perpendicular to the extrusion flow direction and the first direction of stacking the at least two alternating layer compositions. 2. The method according to claim 1 , wherein the extruded product is annular. 3. The method according to claim 1 , wherein the extruded product is a sheet. 4. The method according to claim 2 , wherein the extruded product contains a core. 5. The method according to claim 2 , wherein the extruded product is hollow. 6. The method according to claim 1 , wherein the extruded product contains at least one non alternating layer.
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Classifications
Panels or arrays of photoelectrochemical cells, e.g. photovoltaic modules based on photoelectrochemical cells · CPC title
having 5 or more layers · CPC title
- B29D11/00663Primary
Production of light guides · CPC title
having different index layers arranged around the core for guiding light by reflection, i.e. 1D crystal, e.g. omniguide · CPC title
Core having lower refractive index than cladding, e.g. air filled, hollow core · CPC title
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Frequently asked questions
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- What does patent US10866358B2 cover?
- The disclosed embodiments generally relate to extruding multiple layers of micro- to nano-polymer layers in a tubular shape. In particular, the aspects of the disclosed embodiments are directed to a method for producing a Bragg reflector comprising co-extrusion of micro- to nano-polymer layers in a tubular shape.
- Who is the assignee on this patent?
- Guill Tool & Eng Co Inc
- What technology area does this patent fall under?
- Primary CPC classification B29D11/00663. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Dec 15 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).