One hundred eighty seven 600 um-long microneedles arranged in 1cm2 circular microneedle array located on a circular substrate which is 20 mm in diameter. Material - SS316 stainless steel.

Each microneedle is in plane with the substrate.

Please click on the image and the small thumbnails under the main image for larger pictures.

This product and/or its method of use is covered by US Patent No. 7,658,728.