Polymerized cycloolefins using transition metal catalyst and end products thereof
View Patent ↗Methods for the addition polymerization of cycloolefins using a cationic Group 10 metal complex and a weakly coordinating anion of the formula: [(R ′ ) z M(L ′ ) x (L ″ ) y ] b [WCA] d wherein [(R ′ ) z M(L ′ ) x (L ″ ) y ] is a cation complex where M represents a Group 10 transition metal; R′ represents an anionic hydrocarbyl containing ligand; L ′ represents a Group 15 neutral electron donor ligand; L ″ represents a labile neutral electron donor ligand; x is 1 or 2; and y is 0, 1, 2, or 3; and z is 0 or 1, wherein the sum of x, y, and z is 4; and [WCA] represents a weakly coordinating counteranion complex; and b and d are numbers representing the number of times the cation complex and weakly coordinating counteranion complex are taken to balance the electronic charge on the overall catalyst complex.
1. An optical semiconductor component comprising:
a semiconductor substrate; and
a packaging material located over the semiconductor substrate and consisting of an optically transparent polymer, such polymer consisting of polycyclic repeating units linked to one another through 2,3-enchainment.
2. The optical semiconductor component of claim 1 , further comprising:
wire bonds located over and coupled to the semiconductor substrate, wherein:
the optically transparent polymer encapsulates the wire bonds.
3. The optical semiconductor component of claim 1 , further comprising:
an optical image sensor supported by the semiconductor substrate, wherein:
the optical image sensor is capable of detecting an optical image passing through the optically transparent polymer.
4. The optical semiconductor component of claim 1 , further comprising:
an optical image transmitter supported by the semiconductor substrate, wherein:
the optical image transmitter is capable of transmitting an optical image through the optically transparent polymer.
5. The optical semiconductor component of claim 1 , further comprising:
an optical image device supported by the semiconductor substrate, wherein:
the optically transparent polymer covers and protects the optical image device.
6. The optical semiconductor component of claim 1 , wherein:
the optically transparent polymer has a modulus of less than approximately 20 MegaPascals and a coefficient of thermal expansion of less than 60 parts per million per degree Celsius.
7. The optical semiconductor component of claim 1 , wherein:
the optically transparent polymer has an optical transparency of at least 90 percent throughout a visible spectrum.
8. The optical semiconductor component of claim 1 , wherein:
the polycyclic repeating units of the optically transparent polymer comprises bicyclic repeating units comprising at least seven carbon atoms.
9. The optical semiconductor component of claim 8 , wherein:
the polycyclic repeating units of the optically transparent polymer further comprise alkyl chain pendant groups.
10. The optical semiconductor component of claim 1 , wherein:
the optically transparent polymer is comprised of polynorbornene.
11. A method of manufacturing an optical semiconductor component comprising:
providing a semiconductor substrate; and
disposing a packaging material over the semiconductor substrate said package material consisting of an optically transparent polymer, said polymer consisting of polycyclic repeating units linked to one another through 2,3-enchainment.
12. The method of claim 1 , further comprising:
mixing a monomer of the optically transparent polymer with a catalyst to create at least a portion of the packaging material.
13. The method of claim 12 , further comprising: filtering the packaging material.
14. The method of claim 13 , wherein:
disposing the packaging material further comprises:
applying the packaging material over the semiconductor substrate after filtering the packaging material.
15. The method of claim 14 , further comprising, curing the packaging material after applying the packaging material.
16. The method of claim 12 , further comprising, curing the packaging material.