Radiation amount measurement result:Quality ROHM Co., Ltd.

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Specifications	Radiation amount measurement result:Quality ROHM Co., Ltd.
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Radiation amount measurement result (Oct. 2011) ROHM Co., Ltd. MAX.MIN.MAX.MIN.MAX.MIN.B.G.(ＭAX.)-(B.G.) 01-Oct-20110.

Specifications	Radiation amount measurement result:Quality ROHM Co., Ltd.
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Content	Radiation amount measurement result (Oct. 2011) ROHM Co., Ltd. MAX.MIN.MAX.MIN.MAX.MIN.B.G.(ＭAX.)-(B.G.) 01-Oct-20110.0580.0560.0830.0810.0800.0630.0750.005OK Date measured Value reported by Minstry of science (Factory location)Surface of carton (from ROHM Logistec to Czech) 1　 LAPIS Semiconductor, MiyagiROHM TsukubaJudgment 2 　1-November-2011 （Tester: BNC SAM940） 2-Oct0.0580.0560.0820.0810.0750.0620.0730.002OK 3-Oct0.0580.0560.0830.0810.0930.0590.0900.003OK 4-Oct0.0580.0560.0830.0800.0920.0710.0890.003OK 5-Oct0.0670.0570.0930.0810.0910.0830.0900.001OK 6-Oct0.0680.0560.0920.0790.0820.0660.0710.011OK 7-Oct0.0630.0560.0820.0790.0920.0820.0890.003OK 8-Oct0.0590.0560.0820.0800.0760.0700.0710.005OK 9Oct00570056008200800112009301050007OK9-Oct0.0570.0560.0820.0800.1120.0930.1050.007OK 10-Oct0.0580.0570.0880.0790.1090.0940.0990.010OK 11-Oct0.0580.0560.0830.0800.0970.0850.0900.007OK 12-Oct0.0580.0560.0830.0800.0930.0800.0930.000OK 13-Oct0.0580.0570.0820.0800.0870.0800.0840.003OK 14-Oct0.0600.0570.0820.0800.0930.0790.0910.002OK 15-Oct0.0580.0560.0840.0790.1120.0940.1010.011OK 16-Oct0.0650.0560.0810.0790.1080.0920.0970.011OK 17-Oct0.0580.0560.0820.0800.0920.0740.0920.000OK 18-Oct0.0570.0560.0810.0800.0950.0760.0950.000OK 19-Oct0.0570.0560.0810.0800.1040.0860.0960.008OK 20-Oct0.0570.0560.0810.0790.0960.0800.0900.006OK 21-Oct0.0570.0550.0810.0790.1030.0910.0990.004OK 22-Oct0.0590.0550.0810.0790.1030.0940.1030.000OK 23-Oct0.0590.0550.0800.0790.0790.0680.0690.010OK 24Oct00570055008000780108009501080000OK24-Oct0.0570.0550.0800.0780.1080.0950.1080.000OK 25-Oct0.0570.0560.0830.0790.0880.0730.0870.001OK 26-Oct0.0570.0550.0810.0790.0900.0780.0900.000OK 27-Oct0.0560.0550.0810.0790.0960.0780.0940.002OK 28-Oct0.0590.0550.0800.0790.0960.0780.0940.002OK 29-Oct0.0600.0580.0810.0790.0980.0690.0980.000OK 30-Oct0.0590.0580.0810.0790.0810.0630.0810.000OK 31-Oct0.0610.0570.0810.0790.0970.0860.0910.006OK 1：　Sampling test is done on product using wafers manufactured at LAPIS Miyagi or ROHM Tsukuba, to be shipped from ROHM Logistic site. 　　　Frequency: 1/day, Tester: Spectrum survey mater （BNC SAM940） 2：　O.K.: MAX - B.G.(Back ground) ≦ 0.049μSv/h N.G.: MAX - B.G.(Back ground) > 0.049μSv/h Regarding Criteria: 0.049μSv/h AditidbAISTJ RltihiflbtLdidtGMtdSftiti [ μSv/h ] 　According to source issued by AIST Japan, Relationship of value between Large edge window type GM counter and Surface contamination, 　Dose iquivalent rate of section 1cm away from the contamination source (I-131 evenly existing in Φ20cm, 4Bq/cm2) is considered 0.049uSv/h 　Therefore, (Value, 1cm away from object) - (B.G.) ≦ 0.049uSv/h is equivalent to value less than 4Bq/cm2. 　（Since the criteria of Cs-137 under the same condition as above is 0.068uSv/h, tighter criteria for I-131was used for the criteria.) Country Object Regulation GermanyJapan 0.25-1.0μSv/h: Warning to owner 1.0 -10μSv/h: Decontamination by ower Sea, imported freight ThailandChina Sea container Less than three times B.G. Less than three times B.G. Sea, imported freightImported freight Less than 4Bq/cm2 (Reference from Ministry of Land, Infrastructure, Transport and Tourism) B.G .(Back Ground) : Radiation dose existing in the nature at test location
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