| 4930116 |
Record carrier containing information in an optically readable information structure |
— |
1990-05-29 |
| 4766307 |
Semiconductive radial photodetector and apparatus comprising such a detector |
Marcellinus J. M. Pelgrom |
1988-08-23 |
| 4746792 |
Optical transducer element and displacement meter comprising such an element |
— |
1988-05-24 |
| 4704347 |
Method of manufacturing a semiconductor device, in which a photolacquer mask is formed by means of a two-layer lacquer system. |
Franciscus A. Vollenbroek, Henricus J. J. Kroon, Elisabeth J. Spiertz, Wilhelmus P. M. Nijssen |
1987-11-03 |
| 4622096 |
Method of manufacturing a semiconductor device comprising a silicon body, in which a sunken oxide layer is locally provided |
Johan W. Bartsen |
1986-11-11 |
| 4603340 |
Semiconductor device having superlattice structure |
— |
1986-07-29 |
| 4423502 |
Record carrier having an optically readable information structure |
— |
1983-12-27 |
| 4347441 |
Dual probe interferometer for object profile measuring |
Johannes C. Driessen, Wichert Mesman |
1982-08-31 |
| 4325135 |
Optical record carrier and apparatus for reading it |
Jacobus P. J. Heemskerk |
1982-04-13 |
| 4310916 |
Optical record carrier and apparatus for reading it |
— |
1982-01-12 |
| 4230915 |
Record carrier with an optically readable radiation-reflecting information structure |
Bernardus A. J. Jacobs |
1980-10-28 |
| 4209804 |
Record carrier containing information in an optically readable radiation reflecting information structure |
— |
1980-06-24 |