Resources Contact Us Home
Method of making superhard tips for micro-probe microscopy and field emission

Image Number 4 for United States Patent #5393647.

Forming micro-probe tips for an atomic force microscope, a scanning tunneling microscope, a beam electron emission microscope, or for field emission, by first thinning a tip of a first material, such as silicon. The tips are then reacted with a second material, such as atoms from an organic or ammonia vapor, at a temperature of about C. and vacuum conditions for several minutes. Vapors such as methane, propane or acetylene will be converted to SiC or WC while ammonia will be converted to Si.sub.3 N.sub.4. The converted material will have different physical, chemical and electrical properties. For example, a SiC tip will be superhard, approaching diamond in hardness. Electrically conductive tips are suitable for field emission.

  Recently Added Patents
Method of allocating IP address of image forming apparatus using DHCP, image forming apparatus and system of allocating IP address using DHCP
Distributed multicast packet replication with centralized quality of service
Method of transmitting and receiving a paging message in a mobile communication system
Light-emitting diode package and method for manufacturing the same
Methods of establishing virtual circuits and of providing a virtual private network service through a shared network, and provider edge device for such network
Wound dressing with a discontinuous contact layer surface
  Randomly Featured Patents
Double-retaining connector
Assist device for getting into and out of sitting or reclined positions
System and method for intelligent processing of results from search of direct sequence spread spectrum (DSSS) signals
Reshaping periodic waveforms to a selected duty cycle
Container cover
Voltage booster and memory structure using the same
Apparatus and method for reducing slippage between structures in an interferometric modulator
System and method for measuring an analyte in a sample
Reel seat for fishing rod
Device for controlling induction motor and method of controlling the same