【発明の名称】貫通孔の大きさを測定するための方法と装置

Title:

【発明の名称】貫通孔の大きさを測定するための方法と装置

Document Type and Number:

Japanese Patent JP3037404

Kind Code:

B2

Abstract:

Measurements of a value of throughgoing openings and workpieces produced during drilling with energy radiation, and particularly laser radiation are performed by producing each opening by several successive energy pulses with focal points offset relative to an axis of the opening, and determining measuring values from a fluid which passes through the throughgoing opening and is supplied to an opening region of the workpiece with a predetermined, constant pressure.

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Inventors:

Robert Schmitt Hetzbel

Application Number:

JP33095990A

Publication Date:

April 24, 2000

Filing Date:

November 30, 1990

Export Citation:

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Assignee:

ROBERT BOSCH GMBH

International Classes:

B23K26/03; B23K26/10; B23K26/12; G01B13/10; B23K26/14; B23K26/382; B23K26/388; B23K26/70; (IPC1-7): G01B13/10; B23K26/00

Domestic Patent References:

JP63150078U

Attorney, Agent or Firm:

Toshio Yano (2 outside)

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