发明申请
WO1997035304A1 APPARATUS AND METHODS FOR FORMING AND USE WITH VARIABLE PIT DEPTH OPTICAL RECORDING MEDIA
审中-公开
基本信息:
- 专利标题： APPARATUS AND METHODS FOR FORMING AND USE WITH VARIABLE PIT DEPTH OPTICAL RECORDING MEDIA
- 专利标题（中）：用于形成和使用可变深度光学记录介质的装置和方法
- 申请号：PCT/US1997004941 申请日：1997-03-24
- 公开(公告)号：WO1997035304A1 公开(公告)日：1997-09-25
- 发明人： CALIMETRICS, INC.
- 申请人： CALIMETRICS, INC. , McDERMOTT, Gregory, A. , WONG, Terrence, L. , O'NEILL, Michael, P. , PIETRZYK, Cezary , JOHNSON, Bruce, V. , SPIELMAN, Steven, R. , SHAFAAT, Sayed, Tariq , BUSTILLO, James, M.
- 专利权人： CALIMETRICS, INC.,McDERMOTT, Gregory, A.,WONG, Terrence, L.,O'NEILL, Michael, P.,PIETRZYK, Cezary,JOHNSON, Bruce, V.,SPIELMAN, Steven, R.,SHAFAAT, Sayed, Tariq,BUSTILLO, James, M.
- 当前专利权人： CALIMETRICS, INC.,McDERMOTT, Gregory, A.,WONG, Terrence, L.,O'NEILL, Michael, P.,PIETRZYK, Cezary,JOHNSON, Bruce, V.,SPIELMAN, Steven, R.,SHAFAAT, Sayed, Tariq,BUSTILLO, James, M.
- 优先权： US8/620,196 19960322
- 主分类号： G11B07/007
- IPC分类号： G11B07/007
摘要：
An apparatus (figure 2) and method for forming a digital optical disc master from a disc having a substrate (300) coated with a photoresist coating (320). The method includes irradiating the surface of the photoresist material (320) with a laser beam (310) at a multiplicity of pit locations over the substrate (300) causing the photoresist material (320) to react to the laser radiation (310) to form at least three different discrete levels at the multiplicity of pit locations relative to the surface of the substrate (300) due to the dose of radiation applied being calculated to react with the photoresist to a depth equivalent to the discrete levels. The exposed photoresist is then developed to achieve the pits having the different discrete levels. A further method is disclosed for equalization and compensation for intersymbol interference between adjacent pits.
摘要（中）：
一种用于从具有涂覆有光致抗蚀剂涂层（320）的基板（300）的盘形成数字光盘主机的装置（图2）和方法。 该方法包括在衬底（300）上的多个凹坑位置处用激光束（310）照射光致抗蚀剂材料（320）的表面，使得光致抗蚀剂材料（320）与激光辐射（310）反应以形成 由于施加的辐射剂量被计算为与光致抗蚀剂反应至与离散水平相当的深度，所以相对于衬底（300）的表面在多个凹坑位置处的至少三个不同的离散水平。 然后曝光的光致抗蚀剂被显影以实现具有不同离散水平的凹坑。 公开了用于相邻凹坑之间的符号间干扰的均衡和补偿的另一种方法。