<SUBMISSION>
<SECRELEASE-DATETIME>		20000714-115557	 ⇐ Metadata from SEC Info (ET)
<SECWEBSITE-DATETIME>		20000714-115557	 ⇐ Metadata from SEC Info (ET)
<ACCESSION-NUMBER>		0000950123-00-003282
<TYPE>				424B4
<PUBLIC-DOCUMENT-COUNT>		1
<FILING-DATE>			20000405

<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>		CABOT MICROELECTRONICS CORP
<CIK>				0001102934
<ASSIGNED-SIC>			3290
<STATE-OF-INCORPORATION>	DE
<FISCAL-YEAR-END>		0930
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>			424B4
<ACT>				33
<FILE-NUMBER>			333-95093
<FILM-NUMBER>			593661
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>			870 NORTH COMMONS DRIVE
<CITY>				AURORA
<STATE>				IL
<ZIP>				60504
<PHONE>				6303756631
</BUSINESS-ADDRESS>
</FILER>

<DOCUMENT>
<TYPE>		424B4
<SEQUENCE>	1
<DESCRIPTION>	CABOT MICROELECTRONICS
<TEXT>
       Show <TEXT>: 7,642 lines (widest: 129 characters) - 425K bytes  
</TEXT>
</DOCUMENT>

</SUBMISSION>