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(19)

(11)

2 542 300

(13)

(51)

IPC

B01D67/00(2006-01-01)

(21) (22)

Application

2013143067/05, 2013-09-24

(24)

Start date

2013-09-24

(22)

Actual filing date

2013-09-24

(45)

Published

2015-02-20

(72)

Inventor

Apel' Pavel Jur'EvichDmitriev Sergej NikolaevichIvanov Oleg MikhajlovichNechaev Aleksandr Nikolaevich

(73)

Holder

Ob"Edinennyj Institut Jadernykh Issledovanij

METHOD OF PRODUCING MONO- AND OLIGOPOROUS MEMBRANES Russian patent published in 2015 - IPC B01D67/00

Abstract RU 2542300 C1

FIELD: physics.

SUBSTANCE: method comprises irradiating a moving film with a beam of accelerated ions through a diaphragm with an opening and subsequent etching. The beam is scanned along a line which passes through one or more diaphragms. The speed of the beam in the plane of the diaphragm (ν), the diameter of the opening in the diaphragm (d), the diameter of the cross-section of the beam in the plane of the diaphragm (D) and the intensity of the beam (I) are selected from the relationship 0.1≤2Id²/Dν≤10. The ratio of the speed of the film to the beam scanning frequency is greater than the minimum allowable size of the membrane.

EFFECT: high efficiency of the method while simplifying the technology.

3 cl, 4 dwg, 3 ex

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RU 2 542 300 C1

Authors

Apel' Pavel Jur'Evich

Dmitriev Sergej Nikolaevich

Ivanov Oleg Mikhajlovich

Nechaev Aleksandr Nikolaevich

Dates

2015-02-20—Published

2013-09-24—Filed