Sony Corporation

Hoya Lens Thailand Ltd.

Hoya Corporation

Sony Group Corporation

Hiroshi Asami

Yoshihiro Nabe

Yoshimichi Harada

Yuji Takaoka

Kiyohiro Saito

Yuji Nishitani

Ken Orui

Hidetoshi Kusano

Ayumu Ito

Tadashi Kaga

Yasunori Izawa

Tsuyoshi Ogawa

Akihiko Okubora

Akihiro Morimoto

Masaki Hatano

Toshihide Shinohara

Akiyoshi Aoyagi

Osamu Yamagata

Tatsuo Nishimoto

Fumito Hiwatashi

Yuki Nishitani

Hiroko Jinno

A progressive addition lens and the related technology, the progressive addition lens including a near portion for viewing a near distance, a distance portion for viewing a distance farther than the near distance, and an intermediate portion between the near portion and the distance portion and having a progressive refraction function, in which the transmission astigmatism is added to the near portion and the intermediate portion of the distance portion, the near portion, and the intermediate portion, and in the near portion and the intermediate portion to which the transmission astigmatism is added, the progressive addition lens further includes a portion where an amount of horizontal refractive power is greater than an amount of vertical refractive power after subtracting the refractive power for astigmatism correction.

Progressive addition lens and design method therefor

A progressive addition lens includes: a near portion for viewing a near distance, a distance portion for viewing a distance farther than the near distance, and an intermediate portion between the near portion and the distance portion and having a progressive refraction function. A transmission astigmatism is added to at least the near portion and the intermediate portion, and in the near portion and the intermediate portion to which the transmission astigmatism is added, after subtracting the refractive power for astigmatism correction, the progressive addition lens further includes a portion where the amount of vertical refractive power is greater than the amount of horizontal refractive power.

A lens, system for designing, computer program for designing and a method for designing, with a computer, a progressive addition lens including a distance vision region, a near vision region, and an intermediate vision region, wherein a power gradually changes between the distance vision region and the near vision region, and wherein the progressive addition lens is based on prescription data, the method including: determining a transmission astigmatic performance parameter corresponding to a sum of a prescribed astigmatism included in the prescription data and of a predetermined amount of extra astigmatism; determining lens surface data corresponding to the determined transmission performance parameter.

Spectacle lenses and methods for producing the same

A semiconductor device including a semiconductor substrate having oppositely facing first and second surfaces, the first surface being an active surface and provided with an electronic element thereon, a pad electrode to be connected to the electronic element in a peripheral portion of the electronic element on the active surface, a first opening extending from the second surface toward the pad electrode so as not to reach the first surface of the semiconductor substrate, a second opening formed to reach the pad electrode from a bottom surface of the first opening and having a diameter smaller than that of the first opening, an insulating layer formed to cover sidewall surfaces of the first opening and the second opening, and a conductive layer formed, inside of the insulating layer, to cover at least an inner wall surface of the insulating layer and a bottom surface of the second opening.

Semiconductor device

Semiconductor device and method of manufacturing the same

Progressive addition lens includes a near portion having a power for viewing a near field, a distance portion having a power for viewing a distance field further than the near field, and an intermediate portion connecting the distance portion and the near portion. The progressive addition lens includes an aspherical object-side surface and an aspherical eyeball-side surface and is formed in rotational symmetry with respect to a center of design of the progressive addition lens. The object-side surface includes a first stable region formed in rotational symmetry with respect to the center of design and including the center of design, and an aspherical region arranged outside of the first stable region to contact the first stable region and formed in rotational symmetry with respect to the center of design. A Peak to Valley value of a mean surface refractive power in the first stable region is 0.12 D or less.

Progressive addition lens

A vision simulation, on assumption that spectacles are worn, is performed for a first model designed by setting a target additional power of a desirable value at a position corresponding to a fitting point on a principal meridian. A correction amount is computed for correcting the difference between a simulation value obtained for the additional power at the position corresponding to the fitting point on the principal meridian through the vision simulation and the target additional power. A second model is designed by replacing the additional power with a value obtained by the addition of the calculated correction amount to the target additional power.

Designing method and designing device for progressive power lens

When an addition power at a position corresponding to a fitting point within a prescription addition power is greater than a target addition power set according to a target distance, the target addition power is set as an addition power between a progression-start point and a progression-end point on a principal meridian, and in addition the average gradient of an addition power between the progression-start point and the fitting point is set to differ from an average gradient of an addition power between the fitting point and the progression-end point. When the addition power at the position corresponding to the fitting point within the prescription addition power is equal to or smaller than the target addition power, a gradient of the addition power is made constant in a partial region including at least the fitting point between the progression-start point and the progression-end point on the principal meridian.

Method of designing progressive refractive power lens, and lens set

A progressive addition lens includes a portion having a power for viewing a near field, a portion having a power for viewing a distance field further than the near field, and an portion connecting the distance portion and the near portion. The progressive addition lens includes an aspherical object-side surface and an aspherical eyeball-side surface and is formed in rotational symmetry with respect to a center of design of the progressive addition lens. The object-side surface includes a first stable region formed in rotational symmetry with respect to the center of design and including the center of design, and an aspherical region arranged outside of the first stable region to contact the first stable region and formed in rotational symmetry with respect to the center of design. A PV value (Peak to Valley) of a mean surface refractive power in the first stable region is 0.12 D or less.

A circuit substrate includes: a mounting region having an exposed surface that is planarized, and in which a predetermined chip is to be mounted; patterns provided in the mounting region, and including respective top faces that form a part of the exposed surface; and solder bumps provided on the respective patterns, and having substantially same shape as one another.

Circuit substrate, method of manufacturing circuit substrate, and electronic component

A circuit board includes: an electrode portion which has a copper layer, a copper oxide layer formed thereon, and a removal portion formed by partially removing the copper oxide layer so as to partially expose the copper layer from the copper oxide layer; and a solder bump for flip chip mounting formed on the copper layer exposed by the removal portion.

Circuit board, semiconductor element, semiconductor device, method for manufacturing circuit board, method for manufacturing semiconductor element, and method for manufacturing semiconductor device

Growing community of inventors

Shizuoka, Japan

Hiroshi Asami