Powder film forming method and powder film forming device

Patent metadata

Field	Value
Publication number	US-2020009607-A1
Application number	US-201816482409-A
Country	US
Kind code	A1
Filing date	Feb 5, 2018
Priority date	Feb 3, 2017
Publication date	Jan 9, 2020
Grant date	—

Abstract

A powder film forming method includes the steps of: filling an opening with a powder, the opening being formed in a screen plate; and forming the powder film by generating an electric potential difference between the screen plate and a substrate so as to cause the powder, which is filling the opening, to move to the substrate.

First claim

1 . A method of forming a powder film, comprising the steps of:
(a) filling an opening with a powder, the opening being formed in a powder filling member; and (b) forming the powder film by generating an electric potential difference between the powder filling member and a substrate so as to cause the powder, which is filling the opening, to move to the substrate.

2 . The method according to claim 1 , wherein
in the step (a), the powder is rubbed by a rubbing body so as to fill the opening.

3 . The method according to claim 1 , wherein
in the step (a), the powder is vibrated so as to fill the opening.

4 . The method according to claim 1 , wherein
in the step (a), the powder to fill the opening is charged.

5 . The method according to claim 4 , wherein
in the step (a), the powder, which is charged, is caused to fill the powder filling member by spraying with use of an electrostatic spray.

6 . The method according to claim 1 , wherein
in the step (b), the powder is rubbed by a rubbing body so as to move to the substrate.

7 . The method according to claim 1 , wherein
in the step (b), the powder is vibrated so as to move to the substrate.

8 . The method according to claim 1 , wherein:
the powder filling member includes
a porous body and
a covering part provided on one surface of the porous body;
the covering part has the opening; and in the step (b), the covering part is provided on a side facing the substrate.

9 . A powder film forming device comprising:
a powder filling member having an opening to be filled with a powder; a rubbing body configured to rub the powder into the opening from one end side of the opening so as to fill the opening with the powder; and a power supply configured to generate an electric potential difference between the powder filling member and a substrate so as to cause the powder, which is filling the opening, to move to the substrate.

10 . The powder film forming device according to claim 9 , further comprising:
a vibration exciting section configured to subject the powder filling member to vibration excitation.

11 . The powder film forming device according to claim 9 , further comprising:
an electrostatic spray configured to fill the opening with the powder.

12 . A method of forming a powder film, comprising the steps of:
(a) filling an opening with a powder by vibrating the powder, the opening being formed in a powder filling member; and (b) forming the powder film by causing the powder, which is filling the opening, to move to the substrate.

13 . The method according to claim 12 , wherein
in the step (b), the powder is rubbed by a rubbing body so as to move to the substrate.

14 . The method according to claim 12 , wherein
in the step (b), the powder is vibrated so as to move to the substrate.

15 . The method according to claim 12 , wherein:
the powder filling member includes
a porous body and
a covering part provided on one surface of the porous body;
the covering part has the opening; and in the step (b), the covering part is provided on a side facing the substrate.

Assignees

• Hitachi Shipbuilding Eng Co

Inventors

• Nishiura Sousuke
• Sugiyo Takeshi
• Fukui Hideyuki

Classifications

• B05C19/04

  the particulate material being projected, poured or allowed to flow onto the surface of the work (B05C19/02 takes precedence; involving spraying or electrostatic projection B05B ){(B05C19/005 takes precedence)} · CPC title

• B41F15/405

  Spraying apparatus · CPC title

• B41F15/08

  Machines · CPC title

• B41M1/42 Primary

  Printing without contact between forme and surface to be printed, e.g. by using electrostatic fields {(using a stencil or screen B41M1/125)} · CPC title

• B41P2215/50

  Screen printing machines for particular purposes · CPC title