CA2317235A1 - Amorphous diamond coating of blades - Google Patents
Amorphous diamond coating of blades Download PDFInfo
- Publication number
- CA2317235A1 CA2317235A1 CA002317235A CA2317235A CA2317235A1 CA 2317235 A1 CA2317235 A1 CA 2317235A1 CA 002317235 A CA002317235 A CA 002317235A CA 2317235 A CA2317235 A CA 2317235A CA 2317235 A1 CA2317235 A1 CA 2317235A1
- Authority
- CA
- Canada
- Prior art keywords
- substrate
- amorphous diamond
- sharpened edge
- blades
- less
- 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
Abstract
The invention provides improved razors and razor blades and processes for producing razor blades or similar cutting tools with sharp and durable cutting edges.
One such process comprises the steps of providing a substrate, forming a wedge-shaped sharpened edge on the substrate and depositing a layer of amorphous diamond material as a coating on the sharpened edge. The sharpened edge has an included angle of less than thirty degrees and a tip radius of less than 1,200 angstroms. As part of the depositing step an initial high bias is applied to the substrate and then a second lower bias is applied to the substrate. The amorphous diamond coating imparts stiffness and rigidity to a thin blade while maintaining a high aspect ratio.
One such process comprises the steps of providing a substrate, forming a wedge-shaped sharpened edge on the substrate and depositing a layer of amorphous diamond material as a coating on the sharpened edge. The sharpened edge has an included angle of less than thirty degrees and a tip radius of less than 1,200 angstroms. As part of the depositing step an initial high bias is applied to the substrate and then a second lower bias is applied to the substrate. The amorphous diamond coating imparts stiffness and rigidity to a thin blade while maintaining a high aspect ratio.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23292894A | 1994-04-25 | 1994-04-25 | |
US232,928 | 1994-04-25 | ||
CA002188022A CA2188022C (en) | 1994-04-25 | 1995-04-21 | Amorphous diamond coating of blades |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002188022A Division CA2188022C (en) | 1994-04-25 | 1995-04-21 | Amorphous diamond coating of blades |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2317235A1 true CA2317235A1 (en) | 1995-11-02 |
CA2317235C CA2317235C (en) | 2002-03-26 |
Family
ID=25678740
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002317234A Expired - Fee Related CA2317234C (en) | 1994-04-25 | 1995-04-21 | Amorphous diamond coating of blades |
CA002317235A Expired - Fee Related CA2317235C (en) | 1994-04-25 | 1995-04-21 | Amorphous diamond coating of blades |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002317234A Expired - Fee Related CA2317234C (en) | 1994-04-25 | 1995-04-21 | Amorphous diamond coating of blades |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA2317234C (en) |
-
1995
- 1995-04-21 CA CA002317234A patent/CA2317234C/en not_active Expired - Fee Related
- 1995-04-21 CA CA002317235A patent/CA2317235C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2317235C (en) | 2002-03-26 |
CA2317234C (en) | 2002-03-26 |
CA2317234A1 (en) | 1995-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20140422 |