| Patent Number |
Title Of Patent |
Date Issued |
| 6363382 |
Data classification method and data management method, database and data storage medium based on |
March 26, 2002 |
| Historical steps such as processes of fabrication are each assigned a predetermined character code. Character codes are gathered and arranged in chronological order of the fabrication processes for their classification. Using such a classification method, a database is built to include r |
| 5845105 |
Method of simulating semiconductor manufacture with process functions according to user applicat |
December 1, 1998 |
| A method of manufacturing a semiconductor device wherein the device is manufactured according to extracted process parameters. The process parameters are extracted as a set of optimum process parameters which satisfy an intended specification using process functions. The process func |
| 5416339 |
Semiconductor device having electrode for collecting electric charge in channel region |
May 16, 1995 |
| A semiconductor device for switching comprises a semiconductor substrate (10), three conductive regions (14, 16, 20) for providing a path for electrons to or from desired locations of the semiconductor substrate (10) formed at locations spaced apart on the surface of the semiconductor |
| 5293557 |
Method of describing a surface of an object after processing |
March 8, 1994 |
| A shape simulation method includes dividing an analysis volume into a plurality of cells, defining an initial volume ratio of the volume of a substance in a cell to the volume of the cell for each cell, computing the in flow and the out flow of the substance in each cell every time a ver |
| 5293327 |
Method of logic circuit simulation |
March 8, 1994 |
| A method of logic simulation includes the steps of reading delay time of a logic element itself calculated in advance, converting output logic value of the logic element to a voltage value, forming a circuit equation based on connection information of an output impedance circuit of the l |
| 5111404 |
Method for managing production line processes |
May 5, 1992 |
| A system for managing successive processes which are to be performed on raw articles in a production line for producing finished articles. The system comprises a process managing block for receiving data on preceding processes which have already been performed on partially finished artic |
| 5105362 |
Method for producing semiconductor devices |
April 14, 1992 |
| A system for managing successive processes which are to be performed on a semiconductor wafer in a production line for producing a semiconductor device. The system comprises a process managing block for receiving data on preceding processes which have already been performed on the se |
| 5070469 |
Topography simulation method |
December 3, 1991 |
| A topography simulation method for simulating a surface topography of a material object material while a surface of material object is being processed, as by etching or a deposition, includes the steps of dividing a region to be analyzed, in a surface including the advancing direction of |
| 5067101 |
Topography simulation method |
November 19, 1991 |
| A topography simulation method enables estimation of the three-dimensional shape of a surface of a workpiece where material removal by a predetermined process takes place. This simulation method includes the steps of dividing a region of the workpiece to be removed into a plurality o |
| 4242691 |
MOS Semiconductor device |
December 30, 1980 |
| The disclosed MOS transistor includes a channel region formed of a lightly doped semiconductor layer disposed in a surface portion of a heavily doped semiconductor layer subsequently disposed on a lightly doped semiconductor substrate. The channel region may be of the identical or opposi |
