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 (Nov. 2011) ROHM Co., Ltd. MAX.MIN.MAX.MIN.MAX.MIN.B.G.(ＭAX.)-(B.G.) 01Nov20110057

Specifications	Radiation amount measurement result:Quality ROHM Co., Ltd.
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Content	Radiation amount measurement result (Nov. 2011) ROHM Co., Ltd. MAX.MIN.MAX.MIN.MAX.MIN.B.G.(ＭAX.)-(B.G.) 01Nov201100570056008100790103009101010002OK Judgment 2 　2-December-2011 （Tester: BNC SAM940）Date measured Value reported by Minstry of science (Factory location)Surface of carton (from ROHM Logistec to Czech) 1　 LAPIS Semiconductor, MiyagiROHM Tsukuba 01-Nov-20110.0570.0560.0810.0790.1030.0910.1010.002OK 2-Nov0.0570.0560.0810.0790.0990.0760.0850.014OK 3-Nov0.0570.0560.0810.0800.0890.0820.0890.000OK 4-Nov0.0570.0560.0820.0790.0850.0750.0810.004OK 5-Nov0.0570.0560.0810.0790.0810.0670.0780.003OK 6-Nov0.0640.0570.0840.0790.0800.0660.0760.004OK 7-Nov0.0700.0560.0840.0790.0930.0830.0920.001OK 8-Nov0.0570.0560.0820.0790.0900.0770.0800.010OK 9-Nov0.0570.0560.0810.0790.0960.0720.0840.012OK 10-Nov0.0570.0560.0820.0790.1050.0910.0910.014OK 11-Nov0.0650.0560.0880.0800.0930.0820.0910.002OK 12-Nov0.0570.0560.0800.0780.0800.0700.0750.005OK 13-Nov0.0570.0560.0810.0790.0950.0760.0910.004OK 14-Nov0.0570.0560.0830.0790.0900.0780.0880.002OK 15-Nov0.0590.0560.0870.0790.0870.0740.0850.002OK 16Nov00700056008000790089007400850004OK16-Nov0.0700.0560.0800.0790.0890.0740.0850.004OK 17-Nov0.0580.0550.0810.0790.0930.0830.0920.001OK 18-Nov0.0570.0550.0820.0790.0930.0840.0910.002OK 19-Nov0.0570.0530.0880.0800.1000.0890.0980.002OK 20-Nov0.0610.0600.0880.0780.1040.0930.1000.004OK 21-Nov0.0650.0580.0800.0790.0880.0750.0760.012OK 22-Nov0.0580.0570.0800.0780.0880.0740.0830.005OK 23-Nov0.0600.0570.0800.0780.0760.0650.0700.006OK 24-Nov0.0590.0570.0810.0780.1060.0960.0980.008OK 25-Nov0.0590.0560.0800.0780.1150.0860.1040.011OK 26-Nov0.0580.0560.0800.0780.1130.0980.0990.014OK 27-Nov0.0590.0560.0800.0790.1080.0930.1000.008OK 28-Nov0.0590.0570.0810.0800.0900.0700.0890.001OK 29-Nov0.0580.0580.0810.0790.0960.0830.0910.005OK 30-Nov0.0680.0570.0810.0780.0870.0730.0870.000OK [μSv/h] 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 　According to source issued by AIST Japan, Relationship of value between Large edge window type GM counter and Surface contamination, [ μSv/h ] 　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 (ReferencefromMinistryofLandInfrastructureTransportandTourism) Sea container Less than three times B.G. Less than three times B.G. Sea, imported freightImported freight Less than 4Bq/cm20.25-1.0μSv/h: Warning to owner 1.0 -10μSv/h: Decontamination by ower Sea, imported freight ThailandChinaGermanyJapan (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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