Strong Points of ATOCK

Ultra-thin film processing of quartz with thickness of 8 μm

(Total thickness 10 µm by back-side polishing after multi layer vapor deposition)

Large Diameter Lapping and Polishing

up to 3000 φ (2142mm sq)

High-Precision Cylinder Lapping and Polishing

up to 3100 mm and 500 φ

(Tolerance ±100 μm)

High-Precision Parallel Plane Lapping and Polishing

(thickness accuracy ±1 μm, flatness λ~λ/20)

High-Precision Hole Opening and Polishing from 0.1mm

Products Material

Optical Glass Material

Fused Quartz

Synthetic Quartz

Borosilicate Glass

SodaLime Glass

Non Alkaline Glass

Photoceram

BK7

Other Various Optical Glass

Semiconductor and Crystal Material

Si

GaAs

GaP

Ge

LiNbO3

LiTaO3

LBO

GGG

Quartz Crystal

Sapphire

LGS

Ceramics

PLZT

PZT

Alumina

Silicon Nitride

Aluminum Nitrise

Altic

Calcium Titanate

Barium Titanate

Zirconium Titanate

Zirconia

Macole

Hotovail

Cordierite

BN

MgOSi2

Metal Material

Carbon Steel

Iron

Stainless Steel

Copper

Titanium

Cobalt

Nickel

Aluminum

Resin Material

Glass Epoxy Resin

Acrylic Resin

PVC

Teflon

Peek

PEN

PET

Silicone film

Substrate for Solar

ITO/ATO

Target Material

SiO2

Si

Glassy Carbon

Titanium

Cobalt

Carbon Material

Carbon

Glassy Carbon

Magnetic Material

Monocrystal Ferrite

Polycrystal Ferrite

Company Profile

Head Office

2952 Mitsukaido Fuchigashira-cho,Joso-shi,Ibaraki,303-0022 Japan

phone:+81-297-23-1121 Fax:+81-297-23-1122

Fukushima FactoryTechnology Development CenterTokyo Office
Date of Establishment October 30, 1962
President: Kiyoto Aoki
Number of Employees 80
International PatentAMIS Diamond Outer-Diameter Blade

JAPANPAT. #3413372

CHINAPAT.#126557

USAPAT.#US6,595,845

EUROPEPAT.#0985505

KOREAPAT.#0550441

AMIS Diamond Inner-Diameter Blade

JAPANPAT.#3288363

CHINAPAT.#126557

USAPAT.#US6,203,416

EUROPEPAT.#0985505

KOREAPAT.#0550441

AMIS Diamond Core Drill

JAPANPAT.#4484981

CHINAPAT.#126557

USAPAT.#US6,595,844

EUROPEPAT.#1681151

KOREAPAT.#0550441

Quartz glass burner-head and manufacturing method of the same

JAPANPAT.#3222840

Quartz glass burner and manufacturing method of the same

JAPANPAT.#3222841

CBN Blade for hard material cutting and a cut-off

JAPANPAT.#3416568

Single hole nozzle for supplying made of the glass and
Multi hole barnahed for supplying made of the glass

JAPANPAT.#3881985

CHINAPAT.ZL02819479.9

USAPAT.#US7,094,049

KOREAPAT.#10-0703632

TAIWANPAT. I 317795

Super Universal abrader

JAPANPAT.#3201464

Wafer Boat

JAPANPAT.#3805539

The internal abrasion method of the quartz glass cylindar body

JAPANPAT.#4256516

The inside grinding device of fused quartz glass cylindar body

JAPANPAT.#4319725

Method of manufacturing inner blade braid

JAPANPAT.#4511665

Method of grindeng the glass rod ditch

JAPANPAT.#3805540

ditch grindeng device of the glass rod

JAPANPAT.#3805541

Metallic substrate, the process of manufacture,
cutting braid, and cutoff device for cutting braid

JAPANPAT.#4406113

The glass washing tank and ultrasonic washer

JAPAN Patent of opening2010-125372

product name: glassware lab supplies made in Japan that has been polished to a high precision