Sumitomo Electric Industries, Limited

Sumitomo Electric Printed Circuits, Inc.

Aac Optics Solutions Pte. Ltd.

Aac Optics (suzhou) Co., Ltd.

Aac Optics (changzhou) Co., Ltd.

A.l.m.t. Corporation

Mec Company Ltd.

Sumitomo Electric Toyama Co., Ltd.

Other

Kyoto University

Nippon Soda Co., Ltd.

Tokyo Denki University

Koji Nitta

Shoichiro Sakai

Shinji Inazawa

Atsushi Fukunaga

Masatoshi Majima

Akihisa Hosoe

Eiko Imazaki

Kazuki Okuno

Koma Numata

Junichi Motomura

Kenji Takahashi

Tomoyuki Awazu

Yoshio Oka

Kousuke Miura

Junichi Okaue

Lei Zhang

Hiroyuki Teraoka

Yuanshan Cui

Takayasu Sugihara

Maki Ikebe

Akira Tsuchiko

Chihiro Hiraiwa

Nobuhiro Ota

Hajime Ota

Kengo Goto

Yasushi Mochida

Masanao Yamashita

Tadahiro Kaibuki

Ryuta Ohsuka

Masahiro Itoh

Rika Hagiwara

Hiroshi Ueda

Takahiro Imai

Takafumi Uemiya

Kenji Miyazaki

Junichi Nishimura

Kaoru Yamazaki

Hirohisa Saito

Yuichi Nakamura

Suguru Yamagishi

Yugaku Abe

Shigeki Shimada

Masahiro Yamakawa

Yoshihiro Akahane

Shinichi Yamagata

Satoshi Kiya

Kou Noguchi

Kazunori Okada

Mitsutaka Tsubokura

Osamu Suwata

Osamu Ohama

Masahiro Matsumoto

Yu Fukui

Kenji Nishie

Mari Sogabe

Yasuhiro Takeda

Yukie Tsuda

Masashi Iwamoto

Yoshihito Yamaguchi

Masaharu Yasuda

Koji Kasuya

Eiko Itani

Koutaro Kimura

Hiroshi Yokoyama

Kotaro Kimura

Atsushi Yamaguchi

Yang Zhang

Keiichiro Tanabe

Yanli Xie

Hideki Matsuoka

Yi Ji

Yoshihiro Hirata

Toshiaki Yamashita

Katsumi Okayama

Koutarou Kimura

Junichi Toyoda

Yaqiong Guo

Masahiro Kato

Naoaki Yabuuchi

Takayuki Sakaguchi

Shigeki Egashira

Shigeaki Uemura

Toshiyuki Nohira

Hideaki Ito

Hitoshi Kobayashi

Ippei Tanaka

Takayuki Yonezawa

Shinichi Maruyama

Kazuhiko Matsumoto

Syoichiro Sakai

Shingo Nagata

Liyuan Wang

Tatsuya Ishibashi

A wet treatment apparatus is configured to treat a continuously moving sheet-shaped workpiece and includes a wet treatment tank including a side surface portion having a first slit, a pair of rolls located outside the wet treatment tank, the pair of rolls being spaced apart from the first slit and being arranged in such a manner as to nip the workpiece in a transverse direction, and a pair of treatment-liquid shield members disposed on a side opposite to a side on which the wet treatment tank is disposed with the pair of rolls interposed between the pair of treatment-liquid shield members and the wet treatment tank in a movement direction of the workpiece. In a direction parallel to a width of the first slit, a width of the shield member is larger than a width of the roll.

Wet treatment apparatus and method of manufacturing flexible printed circuit board

A flexible printed circuit board according to the present disclosures includes a base film having an insulating property and a planar coil disposed on a surface of the base film, wherein a number of turns on an outside of a center point of a coil width of the planar coil in a plan view is greater than a number of turns on an inside of the center point.

Flexible printed circuit board and image stabilization module

A high-frequency circuit includes a first electric conductor layer, a first dielectric layer, a circuit layer, a second dielectric layer, a second electric conductor layer arranged in this order, and the circuit layer includes a ground pattern and a transmission line of a high-frequency signal. An electromagnetic wave shield is disposed around the transmission line. The electromagnetic wave shield includes a ground electric conductor on inner surfaces of a plurality of holes extending through the first dielectric layer, the ground pattern, the second dielectric layer, the first electric conductor layer, and the second electric conductor layer. The plurality of holes are a plurality of elongated holes provided at an interval in a direction in which the transmission line is surrounded. In each of the plurality of elongated holes, a longitudinal dimension in the direction in which the transmission line is surrounded is larger than a width dimension.

High-frequency circuit

A regenerating method of a removal liquid including: removing a nickel-chromium-containing layer from a substrate using the removal liquid at a time of manufacturing a printed circuit board by a semi-additive method, the substrate including the nickel-chromium-containing layer and a copper-containing layer; collecting the removal liquid that has been used; and contacting the collected removal liquid in collecting the removal liquid with a chelate resin, wherein the chelate resin includes a functional group represented by a following formula (1): where a plurality of Rs are identical divalent hydrocarbon groups having 1 to 5 carbons, and a portion of hydrogen atoms in the hydrocarbon groups are substituted with halogen atoms or not substituted with a halogen atom.

Regenerating method of removal liquid and regenerated removal liquid preliminary

The present invention discloses a camera optical lens with seven-piece lenses including, from an object side to an image side in sequence, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power and a seventh lens having a negative refractive power. The camera optical lens satisfies the following conditions: 5.00≤R3/R1≤10.00 and 0.50≤R1/R12≤2.00. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide angle, and ultra-thin.

Camera optical lens

The present invention relates to a field of optical lens, and discloses a camera lens with six-piece lenses including a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens, a fourth lens having a positive refractive power, a fifth lens, and a sixth lens having a negative refractive power. The camera lens satisfies following conditions: in an imaging status TTL/LB≤2.40, 0.20≤R1/R2≤0.35, 0.20≤R1/R2≤0.35, 0.02≤d5/f≤0.04, and −0.90≤f2/f≤−0.70. The present invention has a small height in a retraction status, and a narrow angle as well as good optical properties in the imaging status.

Camera lens

A flexible printed wiring board according to an aspect of the present disclosure is a flexible printed wiring board including a base film and a plurality of wiring lines disposed on a front surface of the base film. Each of the wiring lines has a front end surface extending in a longitudinal direction of the wiring line and two side surfaces extending in the longitudinal direction, and the side surfaces have an arithmetical mean roughness Ra of 0.05 μm to 2.0 μm. The wiring lines have an average height of 40 μm to 120 μm. The wiring lines have an average spacing of 1 μm to 30 μm.

Flexible printed wiring board and method of manufacturing the same

The present disclosure relates to a technical field of optical lenses, and discloses a camera optical lens. The camera optical lens includes seven lenses. An order of the seven lenses is sequentially from an object side to an image side, which is shown as follows: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power, and a seventh lens having a negative refractive power. The camera optical lens provided by the present disclosure has excellent optical characteristics, and further has characteristics of large aperture, wide-angle, and ultra-thin, especially suitable for mobile phone camera lens assemblies and WEB camera lenses, which are composed of camera components having high pixels.

A flexible printed circuit board includes a base film having an insulating property and a plurality of interconnects laminated to at least one surface side of the base film. The plurality of interconnects includes a first interconnect and a second interconnect in a same plane. An average thickness of the second interconnect being greater than an average thickness of the first interconnect. A ratio of the average thickness of the second interconnect to the average thickness of the first interconnect is greater than or equal to 1.5 and less than or equal to 50. The first interconnect includes a first conductive underlayer and a first plating layer, and the second interconnect includes a second conductive underlayer, a second plating layer, and a third plating layer.

Flexible printed circuit board and method of manufacturing flexible printed circuit board

A printed wiring board includes a base layer having insulating properties, a first conductive layer directly or indirectly stacked on the base layer front surface, and including a copper foil, a second conductive layer directly or indirectly stacked on the base layer back surface, and including a copper foil, a stacked body for a via hole, the stacked body being stacked on an inner periphery and a bottom of a connection hole that extends through the first conductive layer and the base layer in a thickness direction, and being configured to electrically connect the first conductive layer and the second conductive layer to each other, and having an electroless copper plating layer. Each copper foil contains a copper crystal grain oriented in a plane orientation, and an average crystal grain size of copper of each copper foil is 10 μm or greater, the electroless copper plating layer includes palladium.

Printed wiring board

The present invention relates to a field of optical lens, and discloses a camera lens with six-piece lenses including a first lens having a positive refractive power, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power. The camera lens satisfies following conditions: in an imaging status TTL/LB≤2.20, 7.50≤D12/d2≤8.50, 0.04≤d6/f≤0.08, and −1.00≤R6/R7≤−0.35. The present invention has a small height in a retraction status, and a narrow angle as well as good optical properties in the imaging status.

The present disclosure relates to a technical field of optical lenses, and discloses a camera optical lens. The camera optical lens includes seven lenses. An order of the seven lenses is sequentially from an object side to an image side, which is shown as follows: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power, and a seventh lens having a negative refractive power. The camera optical lens provided by the present disclosure has excellent optical characteristics, and further has characteristics of large aperture, wide-angle, and ultra-thin, especially suitable for mobile phone camera lens assemblies and WEB camera lenses, which are composed of camera components having high pixels, such as CCD.

The present invention discloses a camera optical lens with seven-piece lens including, from an object side to an image side in sequence, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power and a seventh lens having a negative refractive power. The camera optical lens satisfies the following conditions: 0.30≤R7/R5≤1.50 and −3.00≤R13/R14≤−1.00. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide-angle, and ultra-thin.

In manufacturing a printed circuit board using a semi-additive method, a removal liquid that has been used in removing a nickel-chromium-containing layer () is regenerated by contacting the removal liquid with a chelate resin having a functional group represented by a following formula (1): where a plurality of Rs are identical divalent hydrocarbon groups having 1 to 5 carbons, and a portion of hydrogen atoms may be substituted with halogen atoms.

Method of manufacturing printed circuit board

Camera optical lens including seven lenses of +--+-+- refractive powers

Growing community of inventors

Osaka, Japan

Koji Nitta