Screen printer
AssigneeCanon Kabushiki Kaisha
InventorShinji Kanda
Life of this patent
Estimating the term…
Abstract
A printing apparatus that includes a table and screen plate positioned facing each other. A screen sealing unit is provided to ensure that a relative hermetic seal is achieved between the screen plate and the table. The sealing unit and table are movable, the sealing unit being movable along the table to adjust for various work pieces utilized in the screen. A gas is provided between the sealed table and screen plate to aid in printing.
Claims9
A screen printer for performing screen printing using a screen plate comprises:
- a table placed facing the screen plate;
- a screen sealing unit for nearly sealing a space between the screen plate and the table, and
- wherein the screen sealing unit includes a screen receiving unit placed facing the screen plate,
- a sealing aid unit placed adjacent the table;
- and
- an elastic body,
- wherein the sealing aid unit is placed slidable along the table and is pressed to the screen receiving unit by the table through the elastic body.
A screen printer for performing screen printing using a screen plate and a squeegee, comprising:
- a table placed facing the screen plate and having an opening,
- wherein the screen printer performs screen printing on a work placed on the table using the screen plate and the squeegee, and supplies gas having a higher pressure than a pressure of atmosphere at a side of the screen plate opposite to the table, and
- wherein the opening supplies gas to the screen plate, and is formed outside the work placed on the table and at least at one of fore and rear in a printing direction of the squeegee as a long slot which is long in an approximately right angle direction against the printing direction of the squeegee.
A screen printer for performing screen Printing using a screen plate comprising:
- a table placed facing the screen plate;
- a screen sealing unit for nearly sealing a space between the screen plate and the table, and
- wherein the screen sealing unit includes a screen receiving unit placed facing the screen plate,
- a sealing aid unit placed adjacent the table;
- and
- wherein the screen printer performs screen printing on a work using a squeegee, and
- wherein the table includes a supply hole which is formed at least at one of fore and rear of the table in a printing direction of the squeegee and supplies gas toward the screen plate with an angle slanted to the work.
A screen printer for performing screen printing using a screen plate comprising:
- a table placed facing the screen plate;
- a screen sealing unit for nearly sealing a space between the screen plate and the table, and
- a supply hole provided in said table for supplying gas into the space which is nearly sealed by the screen plate, the table, and the screen sealing unit;
- wherein the screen sealing unit includes a screen receiving unit placed facing the screen plate, and
- a sealing aid unit placed adjacent the table.
Dependencies are inferred from the claim text.