1. A method of migrating business data from a source system to an extensible destination system, the method comprising:
at a computer, examining a structural definition of the extensible destination system, wherein the examining the structural definition of the extensible destination system includes accessing metadata related to the extensible destination system;
synchronizing a structure of an intermediate database system with the extensible destination system, wherein the intermediate database system includes an entity extension table and an entity base table, the entity extension table and the entity base table are stored in a computer readable storage medium, wherein the synchronizing is performed prior to receiving source data, wherein the entity extension table is populated based upon an extension in the extensible destination system, the entity extension table exists only for destination extensible system entities that are customizable;
collecting the source data from the source system and populating the synchronized structure of intermediate database system with the source data;
specifying whether an attribute is used to define relationships between entities, whether the attribute should be migrated and migration status of the attribute;
setting how many records from the entities are to be imported into the destination system when a migration tool is executed;
specifying order in which the entities are migrated to preserve dependencies;
migrating the source data from the intermediate database system to the extensible destination system according to migration overhead information, the migrating follows the order specified in the attribute, wherein the migration overhead information includes user-configurable, and an EntityMigrationInfo table and wherein the EntityMigrationInfo table specifies information about migration for each entity to be migrated.
2. The method of claim 1, wherein synchronizing the structure of the intermediate database system with the extensible destination system includes invoking an initialization tool.
3. The method of claim 1, wherein the user-configuration is limited to using one or more predefined software procedures.
4. The method of claim 1, wherein migration overhead information includes information about which entities are to be migrated.
5. The method of claim 1, wherein migration overhead information includes information about how many entities will be migrated.
6. The method of claim 1, wherein migration overhead information includes information about which attributes will be migrated.
7. The method of claim 1, wherein the migration overhead information includes an EntityAttribute table.
8. The method of claim 1, wherein the migration overhead information is stored as part of an intermediate database.
9. The method of claim 1, wherein an intermediate database is embodied on a Structured Query Language (SQL) server.
10. A computer readable storage medium having stored instructions for migrating business data from a source system to an extensible destination system, wherein the instructions are executed by a computer for performing steps:
examining a structural definition of the extensible destination system, wherein the examining the structural definition of the extensible destination system includes accessing metadata related to the extensible destination system;
synchronizing a structure of an intermediate database system with the extensible destination system, wherein the intermediate database system includes an entity extension table and an entity base table, the entity extension table and the entity base table are stored in a memory, wherein the synchronizing is performed prior to receiving source data, wherein the entity extension table is populated based upon an extension in the extensible destination system, the entity extension table exists only for destination extensible system entities that are customizable;
collecting the source data from the source system and populating the synchronized structure of intermediate database system with the source data;
specifying whether an attribute is used to define relationships between entities, whether the attribute should be migrated and migration status of the attribute;
setting how many records from the entities are to be imported into the destination system when a migration tool is executed;
specifying order in which the entities are migrated to preserve dependencies;
migrating the source data from the intermediate database system to the extensible destination system according to migration overhead information, the migrating follows the order specified in the attribute, wherein the migration overhead information includes user-configurable, and an EntityMigrationInfo table and wherein the EntityMigrationInfo table specifies information about migration for each entity to be migrated.
11. The computer readable storage medium of claim 10, wherein user-configuration is limited to using one or more predefined software procedures.
12. The computer readable storage medium of claim 10, wherein migration overhead information includes information about how many entities will be migrated.
13. The computer readable storage medium of claim 10, wherein the migration overhead information includes an EntityAttribute table.
14. The computer readable storage medium of claim 10, wherein the migration overhead information is stored as part of an intermediate database.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A polarizing beam splitter, comprising: a polymer based polarizing film; an adhesive layer disposed on the polarizing film; and a first optical element disposed on the adhesive layer, wherein the adhesive layer comprises a crystallization inhibiting plasticizer component in an amount effective for inhibiting formation of (i) crystallized domains; (ii) particles; or (iii) a combination thereof, that cause optical artifacts in the polarizing film.
2. The polarizing beam splitter according to claim 1, further comprising a second plasticizer component in the adhesive layer.
3. The polarizing beam splitter according to claim 2, wherein the first and second plasticizer components are from a group consisting of: glycols, such as ethylene gycol, polypropylene glycol, di(ethylene glycol) ethyl ether, and triethylene glycol; aromatic or aliphatic esters, such as di(2-ethyhexyl) adipate and di(ethylene glycol) benzoate; and water.
4. The polarizing beams splitter according to claim 1, wherein the adhesive is from a group consisting of multifunctional or monofunctional, aromatic or aliphatic epoxy resins along with multifunctional or monofunctional aromatic or aliphatic alcohol or amine containing curatives.
5. The polarizing beam splitter according to claim 1, wherein the first plasticizer component amount included in the adhesive varies from between about 1 and 30 weight percent of the adhesive layer.
6. The polarizing beam splitter according to claim 5, wherein the first plasticizer component amount included in the adhesive varies from between about 1 and 5 weight percent of the adhesive layer.
7. The polarizing beam splitter according to claim 1, wherein the crystallization inhibiting plasticizer inhibits formation of (i) crystallized domains; (ii) particles; or (iii) a combination thereof, when subjected to light having wavelengths longer than about 420 nm.
8. The polarizing beam splitter according to claim 1, wherein the polarizing film is a multilayer polyester polarizing film.
9. An optical apparatus comprising: a polymer based optical element; an adhesive disposed on the optical element; wherein the adhesive comprises a crystallization inhibiting plasticizer component in an amount effective for inhibiting formation of (i) crystallized domains; (ii) particles; or (iii) a combination thereof in the optical element that cause optical artifacts in the optical element.
10. A transparent adhesive composition comprising a crystallization inhibiting plasticizer component in an amount effective for inhibiting formation of (i) crystallized domains; (ii) particles; or (iii) a combination thereof, that cause optical artifacts in an adjacent polymer based optical element.
11. The transparent adhesive composition according to claim 10, wherein the crystallization inhibiting plasticizer component is from a group consisting of: glycols, such as ethylene gycol, polypropylene glycol, di(ethylene glycol) ethyl ether and triethylene glycol; aromatic or aliphatic esters, such as di(2-ethyhexyl) adipate and di(ethylene glycol) benzoate; and water.
12. The transparent adhesive composition according to claim 10, wherein the adhesive is from a group consisting of multifunctional or monofunctional, aromatic or aliphatic epoxy resins along with multifunctional or monofunctional aromatic or aliphatic alcohol or amine containing curatives.
13. The transparent adhesive composition according to claim 11 wherein the plasticizer component amount included in the adhesive varies from between about land 30 weight percent of the adhesive layer.
14. The transparent adhesive composition according to claim 13 wherein the plasticizer component amount included in the adhesive varies from between about 1 and 5 weight percent of the adhesive layer.
15. A polarizing beam splitter comprising: (a) a birefringent film comprising a plurality of first material layers and a plurality of second material layers, wherein the first material layers comprise a polymer selected from a group consisting of polyethylene terephthalate and copolymers of polyethylene terephthalate and polyethylene naphthalate and the second material layers comprise a copolyester; (b) at least one prism comprising a base adjacent a first major surface of the birefringent film; and, (c) an adhesive disposed between the first major surface and the birefringent film, wherein the adhesive comprises at least a crystallization inhibiting plasticizer in an amount effective for controlling the migration of the plasticizer to at least an adjacent optical polarizing film for inhibiting crystallization in the polarizing film.
16. An optical assembly, comprising: (a) the polarizing beam splitter of claim 1, a first path being defined through the polarizing beam splitter for light in a first polarization state; and (b) at least one imager disposed to reflect light back to the polarizing beam splitter, portions of light received by the at least one imager being polarization rotated, polarization rotated light propagating along a second path from the imager and through the polarizing beam splitter.
17. A projection system, comprising: (a) a light source to generate light; (b) conditioning optics to condition the light from the light source; (c) an imaging core to impose an image on conditioned light from the conditioning optics to form image light, the imaging core including at least one polarizing beam splitter of claim 1 and at least one imager; and (d) a projection lens system to project the image light from the imaging core.
18. A method of stabilizing a polymer based optical element, the method comprising:
disposing a material on a polymer based optical element, the material comprising a crystallization inhibiting plasticizer component in an amount effective for inhibiting formation of (i) crystallized domains; (ii) particles; or (iii) a combination thereof, that cause optical artifacts in an adjacent polymer based optical element; and,
passing radiation through the material and the optical element.
19. The method of claim 18, wherein the material comprises an adhesive.
20. The method of claim 19 wherein the disposing comprises an adhesive layer wherein the crystallization inhibiting plasticizer component is from a group consisting of: glycols, such as ethylene glycol, polypropylene glycol, di(ethylene glycol) ethyl ether, and triethylene glycol; aromatic or aliphatic esters, such as di(2-ethyhexyl) adipate and di(ethylene glycol) benzoate; and water.
21. The method of claim 20, wherein the disposing comprises having the crystallization inhibiting plasticizer component included in the adhesive by an amount that varies from between about 1 and 30 weight percent of the adhesive layer.
22. The method of claim 20 wherein the disposing comprises having the crystallization inhibiting plasticizer component included in the adhesive by an amount that varies from between about 1 and 5 weight percent of the adhesive layer.
23. The method of claim 21 wherein the disposing comprises having adhesive from a group consisting of multifunctional or monofunctional, aromatic or aliphatic expoxy resins along with multifunctional or monofunctional aromatic or aliphatic alcohol- or amine-containing curatives.
24. The method of claim 18, wherein the passing radiation has a wavelength that is longer than about 420 nm.