Sony Corporation

Tatsutoshi Narita

Atsuhiro Uratsuji

Masanobu Yagi

Yoshiyuki Ukeda

A printed wiring board having a conductor pattern on which a pre-flux film of a stabilized quality is to be formed using a water-soluble pre-flux liquid. To this end, such an apparatus is used which includes an etching unitfor etching landsformed on the printed wiring board, a rinsing unitfor rinsing the printed wiring board, a bubble removingfor removing air bubblesattached to the printed wiring boardon immersing the printed wiring boardin a water-soluble pre-flux liquidin a processing vessel, a pre-flux forming unitfor forming a pre-flux filmon the landsof the printed wiring boardin the pre-flux liquidusing an in-liquid spraying unit, a liquid removing unitfor removing the pre-flux liquidfrom the printed wiring boardtransported from the processing vesseland a rinsing unitfor rinsing the printed wiring board

Method and apparatus for surface processing of printed wiring board

A printed wiring board having a conductor pattern on which a pre-flux film of a stabilized quality is to be formed using a water-soluble pre-flux liquid. To this end, such an apparatus is used which includes an etching unitfor etching landsformed on the printed wiring board, a rinsing unitfor rinsing the printed wiring board, a bubble removing unitfor removing air bubblesattached to the printed wiring boardon immersing the printed wiring boardin a water-soluble pre-flux liquidin a processing vessel, a pre-flux forming unitfor forming a pre-flux filmon the landsof the printed wiring boardin the pre-flux liquidusing an in-liquid spraying unit, a liquid removing unitfor removing the pre-flux liquidfrom the printed wiring boardtransported from the processing vesseland a rinsing unitfor rinsing the printed wiring board

A printed wiring board having a conductor pattern on which a pre-flux film of a stabilized quality is to be formed using a water-soluble pre-flux liquid. To this end, such an apparatus is used which includes an etching unit for etching lands formed on the printed wiring board , a rinsing unit for rinsing the printed wiring board , a bubble removing unit for removing air bubbles attached to the printed wiring board on immersing the printed wiring board in a water-soluble pre-flux liquid in a processing vessel , a pre-flux forming unit for forming a pre-flux film on the lands of the printed wiring board in the pre-flux liquid using an in-liquid spraying unit , a liquid removing unit for removing the pre-flux liquid from the printed wiring board transported from the processing vessel and a rinsing unit for rinsing the printed wiring board

Growing community of inventors

Ishikawa, Japan

Tatsutoshi Narita