Dai Nippon Printing Co., Ltd.

Subaru Corporation

Wataru Goto

Masahiro Takahashi

Hiroshi Mohri

Daisuke Nakayama

Yukio Iimura

Keiji Hashimoto

Pohsiu Tsai

Tomonari Ando

A braking control apparatus includes a braking force control unit, a first abnormality detecting unit, a regenerative brake stopping unit, and a braking force compensating unit. The braking force control unit is configured to perform a braking force control by causing an engine brake, a regenerative brake, and a friction brake to operate in cooperation with each other. The regenerative brake stopping unit is configured to disconnect the regenerative brake from the braking force control, when an abnormality of the regenerative brake is detected by the first abnormality detecting unit. The braking force compensating unit is configured to perform a braking force compensation that utilizes the friction brake, from the detection of the abnormality of the regenerative brake until the regenerative brake is disconnected from the braking force control, by performing a feedback control on a deceleration rate at a time when the abnormality of the regenerative brake is detected.

Braking control apparatus for hybrid vehicle

A phase shift photomask and a photomask blank used to produce the same. A dry etching stopper layer, which is disposed between a substrate and a light-shielding layer or between the substrate and a phase shifter layer, is made of either a film mainly composed of tin oxide nitride, which has high etching selectivity and high permeability, or an alumina film formed by sputtering, followed by heat treatment carried out in an oxidizing atmosphere, thereby enabling the required overetching to be satisfactorily performed during etching of the phase shifter layer, and thus making it possible to effect precise phase control. In addition, it is possible to eliminate the occurrence of an in-plane transmittance distribution.

Photomask blank and phase shift photomask

Growing community of inventors

Tokyo, Japan

Wataru Goto