U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Attorney: Skjerven Morrill MacPherson LLP, Chen; Tom


Number of patents: 15
Last date: June 11, 2002

NumberTitleIssue Date
6405101Wafer centering system and method
Disclosed is a system and method for detecting the position of a wafer with respect to a calibrated reference position. In one embodiment of the invention, sensors are used to detect the edges of the wafer as the wafer is being passed over the sensors. Th...
06/11/2002
6403501Method of controlling FSG deposition rate in an HDP reactor
A method is provided that conditions the chamber walls of a HDP CVD reactor by forming a layer of doped material prior to depositing dielectric layers of the doped material onto wafers. A consistent deposition rate can be maintained during subsequent depo...
06/11/2002
6395150Very high aspect ratio gapfill using HDP
A process for filling high aspect ratio gaps on substrates uses conventional high density plasma deposition processes, with an efficient sputtering inert gas, such as Ar, replaced or reduced with an He inefficient sputtering inert gas such as He. By reduc...
05/28/2002
6349092BLSR node extension
The present invention provides a method and structure for allowing more than 16 nodes to be configured in a single SONET BLSR network by utilizing unused portions of the transport overhead of an STS-N frame to expand the node identification field from 4 b...
02/19/2002
6348742Sacrificial bond pads for laser configured integrated circuits
A bond pad structure is provided which has a primary bond pad region electrically connected to a secondary bond pad region. The secondary bond pad region is used to test a circuit for configuration, while the primary bond pad is covered with a protective ...
02/19/2002
6346748Electronic circuit structure with photoresist layer that has non-precision openings formed by a laser
A method for patterning a layer of photoresist includes the steps of 1) exposing the photoresist through a standard precision mask to define all possible cut points, 2) etching all possible cut points in a dielectric layer, 3) selectively exposing a secon...
02/12/2002
6340628Method to deposit SiOCH films with dielectric constant below 3.0
A chemical vapor deposition (CVD) process uses a precursor gas, such as with a siloxane or alkylsilane, and a carbon-dioxide-containing gas, such as CO2 with O2 or CO2 with Cx H.sub.(2x+1) OH where 1ࣘxࣘ5, to...
01/22/2002
6324322Fused-fiber multi-window wavelength filter using unbalanced Michelson Interferometer
A fused-fiber multi-window wavelength filter (MWF) is constructed with an unbalanced Michelson Interferometer, in which input light passing through the fused coupling region is decoupled and travels along two fibers of different optical path lengths. The ...
11/27/2001
6288937Decoded generic routing pool
A method and system are provided which allows N programmable cells to be used to select one of 2N signals for routing to a desired destination, such as a programmable array logic (PAL), for further processing. N input selection signals are used...
09/11/2001
6263128Fiber unbalanced Mach-Zehnder interferometers with flat-top spectral response for application in wavelength division multiplexers
According to the present invention, a multi-window wavelength division multiplexer (MWDM) is coupled to a correcting filter characterized by a shallow modulation depth and a channel separation smaller than the MWDM. A correcting filter is coupled to an in...
07/17/2001
6228564Method of patterning photoresist using precision and non-precision techniques
A method for patterning a layer of photoresist includes the steps of 1) exposing the photoresist through a standard precision mask to define all possible patterns and features, and 2) selecting desired patterns and features with a non-precision targeting ...
05/08/2001
6191641Zero power fuse circuit using subthreshold conduction
A zero static power laser fuse circuit is formed from one laser fuse and three transistors, with the fuse connected in series to a reverse-biased diode and with the common node of the fuse and diode connected to the input of a driving circuit, such as a C...
02/20/2001
6160932Expandable wavelength division multiplexer based on interferometric devices
A wavelength division multiplexer (WDM) utilizes cascaded interferometric devices, where the two output branches of interferometric devices in each new stage are each coupled to an additional stage of interferometric devices having the same wavelength sep...
12/12/2000
6149779Low-k BSG gap fill process using HDP
A low dielectric constant gap-fill process using high density plasma (HDP) deposition is provided for depositing a boron-doped silicon oxide layer to eliminate the damaging effects of fluorine on underlying circuitry while still maintaining a low dielectr...
11/21/2000
6127863Efficient fractional divider
In accordance with the invention, a method and structure are provided for obtaining a ratio of M/(2N +K) by feeding various carry-out (and/or complemented carry-out) signals from full-adders back to various frequency control inputs of the full-...
10/03/2000
 
Sign InRegister
Username  
Password   
forgot password?