Patent US4405560A successfully refreshed from Google Patents.
US4405560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier for holding analytical samples
Assignee: Rigaku Corp
•
Filing: 1981-10-07
•
Granted: 1983-09-20
•
Expires: 2001-10-07
Abstract
Abstract A carrier which is used when a solution, as an analytical sample, is analyzed by X-ray fluorometry. The carrier is formed in its central region with a plurality of alternate slits and support connections, support connection each defined between adjacent slits. The configuration defines an island-like portion contrasted with the surrounding region and serving to hold the analytical solution, with the presence of the slits preventing the analytical solution from permeating into the surrounding region. The island-like portion is formed with a plurality of preformed fine holes.
Inventors
- 👤 Michihiro Murata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:39
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/22; G01N23/2204; Y; Y10; Y10S; Y10S435/00; Y10S435/805
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
101 words
A carrier comprising a medium for holding analytical samples to be subjected to X-ray analysis and having a natural porosity such that solutions of said samples are allowed to permeate into said medium by means of capillary action, comprising an island-like portion to hold said analytical samples contrasted with the surrounding region and defined by a plurality of alternate slits and support portions, each support portion defined between adjacent slits, said island-like portion being formed with a plurality of fine preformed holes, each hole having a diameter of about 1 mm, which comprise 10-70% of the area of the island-like portion.
Claim 2
Dependent Claim
101 words
A carrier comprising a medium for holding analytical samples to be subjected to X-ray analysis and having a natural porosity such that solutions of said samples are allowed to permeate into said medium by means of capillary action, comprising an island-like portion to hold said analytical samples contrasted with the surrounding region and defined by a plurality of alternate slits and support portions, each support portion defined between adjacent slits, said island-like portion being formed with a plurality of fine preformed holes, each hole having a diameter of about 1 mm, which comprise 10-70% of the area of the island-like portion.
Claim 3
Dependent Claim
20 words
A carrier as set forth in claim 1, wherein the support portions are subjected to a solution diffusion preventive treatment.
Claim 4
Dependent Claim
14 words
A carrier as set forth in claim 2, wherein said preventive solution comprises paraffin.
Claim 5
Dependent Claim
29 words
A carrier as set forth in claim 1, wherein the shape of said island-like portion is defined by a circle, and said support portions are distributed at regular intervals.
Claim 6
Dependent Claim
16 words
A carrier as set forth in claim 4, wherein said support portions number at least three.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-09-19 | 1987-03-21 | 1987-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-19 | 1991-03-21 | 1991-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-19 | 1995-03-21 | 1995-09-20 | $7700.00 | Window Closed / Lapsed |