A biosensor comprises a space part for sucking and housing a sample formed of two upper and lower plates, the two plates being stuck together by an adhesive layer, the space part for sucking and housing the sample being constituted so as to be partially opened in the peripheral part and partially closed...http://www.google.com.au/patents/US6156173?utm_source=gb-gplus-sharePatent US6156173 - Enzyme electrode structure
