NL7802226A - Thin metal sheet finishing appts with magnetic field - reverses magnetic rollers as sheet is advanced by feed and delivery rollers (OE 15.3.79) - Google Patents
Thin metal sheet finishing appts with magnetic field - reverses magnetic rollers as sheet is advanced by feed and delivery rollers (OE 15.3.79)Info
- Publication number
- NL7802226A NL7802226A NL7802226A NL7802226A NL7802226A NL 7802226 A NL7802226 A NL 7802226A NL 7802226 A NL7802226 A NL 7802226A NL 7802226 A NL7802226 A NL 7802226A NL 7802226 A NL7802226 A NL 7802226A
- Authority
- NL
- Netherlands
- Prior art keywords
- rollers
- sheet
- magnetic
- feed
- advanced
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/26—Cleaning or polishing of the conductive pattern
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0209—Inorganic, non-metallic particles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/025—Abrading, e.g. grinding or sand blasting
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/10—Using electric, magnetic and electromagnetic fields; Using laser light
- H05K2203/104—Using magnetic force, e.g. to align particles or for a temporary connection during processing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/15—Position of the PCB during processing
- H05K2203/1509—Horizontally held PCB
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Abstract
The surface finishing of metal sheets which are short and thin, e.g. less than 0.2 mm thick and using magnetic powder is carried out without bending or damaging the sheets. Initially, the sheet (2) is advanced between feed rollers(3) towards the gap between the magnetic rollers(1) which are coated with the powder(4). On the other side are two delivery rollers(5), and at the instant when the sheet is gripped by both pairs of rollers(3, 5), the direction of rotation of the magnetic rollers is reversed. They thus oppose its travel(A). The sheet can then be released from the feed rollers(3) without damage or bending.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7802226A NL7802226A (en) | 1978-03-01 | 1978-03-01 | Thin metal sheet finishing appts with magnetic field - reverses magnetic rollers as sheet is advanced by feed and delivery rollers (OE 15.3.79) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7802226A NL7802226A (en) | 1978-03-01 | 1978-03-01 | Thin metal sheet finishing appts with magnetic field - reverses magnetic rollers as sheet is advanced by feed and delivery rollers (OE 15.3.79) |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7802226A true NL7802226A (en) | 1979-09-04 |
Family
ID=19830417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7802226A NL7802226A (en) | 1978-03-01 | 1978-03-01 | Thin metal sheet finishing appts with magnetic field - reverses magnetic rollers as sheet is advanced by feed and delivery rollers (OE 15.3.79) |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL7802226A (en) |
-
1978
- 1978-03-01 NL NL7802226A patent/NL7802226A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1C | A request for examination has been filed | ||
BI | The patent application has been withdrawn |