RU94002897A - METHOD FOR CLEANING PCB OPENINGS - Google Patents
METHOD FOR CLEANING PCB OPENINGSInfo
- Publication number
- RU94002897A RU94002897A RU94002897/07A RU94002897A RU94002897A RU 94002897 A RU94002897 A RU 94002897A RU 94002897/07 A RU94002897/07 A RU 94002897/07A RU 94002897 A RU94002897 A RU 94002897A RU 94002897 A RU94002897 A RU 94002897A
- Authority
- RU
- Russia
- Prior art keywords
- generator
- jet
- stream
- nozzle
- cavitation
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims 3
- 238000005553 drilling Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 claims 1
- 230000002706 hydrostatic Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
Claims (1)
0,2 ≤ (Pо / Pк) (l / d) ≤ 0,8,
где Pк - гидростатическое давление в потоке; Pо - гидродинамическое давление в потоке, исходящим из насадка генератора; l - расстояние между насадком генератора и поверхностью платы; d - диаметр проходного сечения насадка генератора. 1 ил. The invention relates to the radio-electronic industry, in particular to the technology of cleaning units and parts of electronic equipment, mainly printed circuit boards. A feature of the invention is that they form a jet in the form of a jet cavitation flow using a hydro-cavitation generator, and a printed circuit board and hydro-cavitator are placed in a liquid medium in which the jet cavitating flow from the generator is directed perpendicular to the surface of the boards along the axis of the holes with the possibility of collapsing gas-vapor cavitation bubbles inside openings and detachment of micro inclusions protruding on the surface - remnants of material after drilling by produced bubbles and microexplosions with their subsequent flow ash. The impact of the jet stream is carried out at a pressure drop of 0.6 - 10 MPa, and the parameters of the jet stream are determined depending on the diameter of the generator head and the distance between its head and the cleaned board from the condition:
0.2 ≤ (P о / P к ) (l / d) ≤ 0.8,
where P to - hydrostatic pressure in the stream; P about - hydrodynamic pressure in the stream coming from the nozzle of the generator; l is the distance between the generator nozzle and the surface of the board; d is the bore diameter of the generator nozzle. 1 il.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU94002897A RU2074537C1 (en) | 1994-01-24 | 1994-01-24 | Process of clearing of holes of printed-circuit boards |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU94002897A RU2074537C1 (en) | 1994-01-24 | 1994-01-24 | Process of clearing of holes of printed-circuit boards |
Publications (2)
Publication Number | Publication Date |
---|---|
RU94002897A true RU94002897A (en) | 1995-07-20 |
RU2074537C1 RU2074537C1 (en) | 1997-02-27 |
Family
ID=20151811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU94002897A RU2074537C1 (en) | 1994-01-24 | 1994-01-24 | Process of clearing of holes of printed-circuit boards |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2074537C1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2345483A1 (en) * | 2010-01-15 | 2011-07-20 | ELWEMA Automotive GmbH | Method for high-pressure liquid jet deburring and corresponding industrial installation |
-
1994
- 1994-01-24 RU RU94002897A patent/RU2074537C1/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR940018142A (en) | Underwater cleaning method and apparatus | |
DE69819940D1 (en) | Device for separating a composite component with a liquid jet | |
CA2532584A1 (en) | Methods for producing recycled pulp, methods for modifying pulp fibre surfaces and dirts, as well as pulp processing equipments | |
EP0680779A1 (en) | Gas dissolution in liquids | |
RU94002897A (en) | METHOD FOR CLEANING PCB OPENINGS | |
US6240934B1 (en) | Method and device for treating holes or recesses extending into workpieces with liquid treatment media | |
KR102041434B1 (en) | Device for Pipe-cleaning using fine-bubble | |
US6077359A (en) | Procedure and device for the chemical and electrolytic treatment of printed circuit boards and conductor films | |
CN210183658U (en) | High-speed circulation of small blind hole PCB removes subassembly of gluing | |
RU2074537C1 (en) | Process of clearing of holes of printed-circuit boards | |
CN104640363B (en) | Pcb board self-loopa, which is returned, washes cylinder | |
RU98111015A (en) | METHOD FOR UNDERWATER HYDRODYNAMIC CLEANING OF SHIP BOARDS AND DEVICE FOR ITS IMPLEMENTATION | |
WO2004086830A1 (en) | Cleaner apparatus for screen printer | |
WO2001081017A3 (en) | System and method for cleaning a screen | |
DE59403430D1 (en) | Device for cleaning sewers | |
JP2003200090A (en) | Spray nozzle for printed circuit board and wet line facility using the nozzle | |
US10099262B2 (en) | Specific device for cleaning electronic components and/or circuits | |
US20190039101A1 (en) | Specific device for cleaning electronic components and/or circuits | |
JPS59110459A (en) | Jet type solder tank | |
JPH06306663A (en) | Oil component cleaning device | |
US7694376B2 (en) | Cleansing module for fluid-supply apparatus | |
JP3413670B2 (en) | Cleaning method with water jet | |
Wu | Design and application of a cavitating waterjet | |
JPH06134414A (en) | Washing device for work | |
JP2665343B2 (en) | How to clean printed circuit boards |