Probe end cleaning sheet - Patent 0937541

(19)

(11)

EP 0 937 541 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	10.07.2002 Bulletin 2002/28

(43)	Date of publication A2:
	25.08.1999 Bulletin 1999/34

(21)	Application number: 99301238.4

(22)	Date of filing: 19.02.1999

(51)	International Patent Classification (IPC)⁷: B24B 9/00, B24B 29/00

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

20.02.1998 JP 5623498

(71)	Applicant: NIHON DENSHIZAIRYO KABUSHIKI KAISHA
	Amagasaki-shi, Hyogo (JP)

(72)	Inventors:
	Okubo, Masao, Nihon Denshizairyo Kabushiki Kaisha Amagasaki-shi, Hyogo (JP) Kozaki, Shin'ichiro, Nihon Denshizairyo K.K. Amagasaki-shi, Hyogo (JP) Nishizaki, Shun'ichiro, Nihon Denshizairyo K.K. Amagasaki-shi, Hyogo (JP) Sakata, Teruhisa, Nihon Denshizairyo K.K. Amagasaki-shi, Hyogo (JP)

(74)	Representative: Beresford, Keith Denis Lewis et al
	BERESFORD & Co. 2-5 Warwick Court, High Holborn London WC1R 5DH London WC1R 5DH (GB)

(54)	Probe end cleaning sheet

(57) To remove foreign matter without deforming the end of a probe 211, and prevent new foreign matter from adhering to the end of a probe, there is provided a probe end cleaning sheet comprising a cleaning thin film 110 having fine abrasive powder applied on the surface, an elastic sheet 120 provided in a lower layer of the cleaning thin film 110 and having an elasticity, and a board 130 provided in a lower layer of the elastic sheet 120, in which the cleaning thin film 110 is made of a material which is dented when the end of the probe 211 is pressed with a specified load but is not torn by the end of the probe 211, and the elastic sheet 120 is made of a material which is dented in the pressed portion by the end of the probe 211 when the end of the probe 211 is pressed to the cleaning thin film 110 with the specified load.

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