公开(公告)号：ID24704A

公开(公告)日：2000-08-03

申请号：ID20000278

申请日：1998-06-24

Applicant: CORNING INC

Inventor： ANTOS ALFRED J ,  GIROUX CYNTHIA B ,  TENNENT CHRISTINE L ,  HUNT TIMOTHY L ,  POWERS DALE R ,  WHEDON WILLIAM A

IPC: G02B6/00 ,  C03B37/014 ,  C03C13/04 ,  G02B6/02 ,  G02B6/036 ,  G02B6/44

Abstract: Disclosed is a method of making a hydrogen resistant optical waveguide fiber. The soot preform is heated and then immersed in a GeCl4 gas. A reduced metal species is thus incorporated into the glass soot prior to sintering or consolidation of the soot preform. A hydrogen absorption band around 1530 nm is substantially eliminated from waveguides made from a precursor gas treated preform.

公开(公告)号：CA2295490A1

公开(公告)日：1999-01-28

申请号：CA2295490

申请日：1998-06-24

Applicant: CORNING INC

Inventor： HUNT TIMOTHY L ,  POWERS DALE R ,  WHEDON WILLIAM A ,  GIROUX CYNTHIA B ,  TENNENT CHRISTINE L ,  ANTOS A JOSEPH

IPC: G02B6/00 ,  C03B37/014 ,  C03C13/04 ,  G02B6/02 ,  G02B6/036 ,  G02B6/44

Abstract: Disclosed is a method of making a hydrogen resistant optical waveguide fiber. The soot preform is heated and immersed in a metal halide gas. A reduced metal species is thus incorporated into the glass soot prior to sintering or consolidation of the soot preform. A hydrogen absorption band around 1530 nm is substantially eliminated from waveguides made from a precursor gas treated preform.

公开(公告)号：AU3996700A

公开(公告)日：2000-07-31

申请号：AU3996700

申请日：1999-12-09

Applicant: CORNING INC

Inventor： DELISO EVELYN M ,  MARLATT DEBORAH L ,  PIERSON MICHELLE D ,  TENNENT CHRISTINE L

IPC: G02B6/00 ,  C03B20/00 ,  C03B37/014 ,  C03B37/018 ,  C03C3/06 ,  C03C13/04 ,  G02B6/02 ,  C03B13/04

公开(公告)号：AU7784201A

公开(公告)日：2001-11-12

申请号：AU7784201

申请日：2001-04-17

Applicant: CORNING INC

Inventor： BROWN JOHN T ,  BURKE GERALD E ,  CHACON LISA C ,  DAWES STEVEN B ,  ELLISON ADAM J ,  HAWTOF DANIEL W ,  LUPPINO ANTHONY P ,  SRIKANT V ,  TANDON PUSHKAR ,  TENNENT CHRISTINE L ,  TERRELL JAMES P JR ,  WHALEN JOSEPH M

IPC: C03B37/018 ,  C03B19/14 ,  C03B37/012 ,  C03B37/014 ,  C03C3/06 ,  F23D14/22 ,  F23D14/32 ,  G03F1/00 ,  G03F7/20

Abstract: Methods, apparatus and precursors for producing substantially water-free silica soot, preforms and glass. The methods and apparatus make substantially water-free fused silica preforms or glass by removing water as a reaction product, removing water from the atmosphere, removing water from the transport process, or combinations thereof. In a first embodiment, substantially water-free soot, preforms or glass are achieved by using a hydrogen-free fuel, such as carbon monoxide, in the deposition process. In another embodiment, a soot producing burner has parameters that enable operation on a substantially hydrogen-free fuel. End burners, which minimize water production, are also described. Such water-free methods are useful in depositing fluorine-doped soot because of the low water present and the efficiency in which fluorine is incorporated. In another embodiment, glassy barrier layer methods and apparatus are described for minimizing dopant migration, especially fluorine. Laser and induction methods and apparatus for forming the barrier layer are depicted. A chlorine, fluorine and silica precursor, such as chlorofluorosilane, may be utilized to form fluorinated soot. Other methods and apparatus are directed to combinations of conventional and substantially water-free processes. One embodiment is directed to combustion enhancing additives for addition to the substantially hydrogen-free fuels. The methods and apparatus in accordance with the invention are particularly useful for producing photomask substrates and optical fiber preforms.

公开(公告)号：CA2357777A1

公开(公告)日：2000-07-06

申请号：CA2357777

申请日：1999-12-09

Applicant: CORNING INC

Inventor： TENNENT CHRISTINE L ,  DELISO EVELYN M ,  PIERSON MICHELLE D ,  MARLATT DEBORAH L

IPC: G02B6/00 ,  C03B20/00 ,  C03B37/014 ,  C03B37/018 ,  C03C3/06 ,  C03C13/04 ,  G02B6/02 ,  C03B13/04

Abstract: The present invention is directed to low loss optical waveguides doped with tantala and methods of manufacturing such waveguides. SiO2 soot is doped wit h Ta2O5 to form a soot blank which is consolidated under conditions suitable t o prevent the crystallization within the Ta2O5-SiO2 containing waveguides. The resulting rod is then either drawn into an optical fiber or overclad and subequently drawn into an optical fiber. High temperature consolidation in either a gaseous atmosphere or vacuum atmosphere is used to sinter and vitri fy the soot blank prior to drawing to produce a low loss optical waveguide fibe r.

公开(公告)号：WO0039039A3

公开(公告)日：2000-11-09

申请号：PCT/US9929225

申请日：1999-12-09

Applicant: CORNING INC ,  DELISO EVELYN M ,  MARLATT DEBORAH L ,  PIERSON MICHELLE D ,  TENNENT CHRISTINE L

Inventor： DELISO EVELYN M ,  MARLATT DEBORAH L ,  PIERSON MICHELLE D ,  TENNENT CHRISTINE L

IPC: G02B6/00 ,  C03B20/00 ,  C03B37/014 ,  C03B37/018 ,  C03C3/06 ,  C03C13/04 ,  G02B6/02 ,  C03B13/04

CPC classification number: C03C13/045 ,  C03B37/01413 ,  C03B37/01446 ,  C03B2201/40 ,  C03B2207/90 ,  C03C3/06 ,  C03C2201/40 ,  C03C2203/40 ,  G02B6/02

Abstract: The present invention is directed to low loss optical waveguides doped with tantala and methods of manufacturing such waveguides. SiO2 soot is doped with Ta2O5 to form a soot blank which is consolidated under conditions suitable to prevent the crystallization within the Ta2O5-SiO2 containing waveguides. The resulting rod is then either drawn into an optical fiber or overclad and subequently drawn into an optical fiber. High temperature consolidation in either a gaseous atmosphere or vacuum atmosphere is used to sinter and vitrify the soot blank prior to drawing to produce a low loss optical waveguide fiber.

Abstract translation: 本发明涉及掺杂有钽酸盐的低损耗光波导和制造这种波导的方法。 SiO 2烟炱掺杂有Ta 2 O 5以形成烟炱坯料，其在适于防止在含Ta2O5-SiO2的波导内结晶的条件下固化。 然后将所得到的杆拉入光纤或外包层并且被分配成光纤。 在气氛气氛或真空气氛中进行高温固结，在拉制之前用于烧结和玻璃化烟灰，以产生低损耗的光波导纤维。

公开(公告)号：WO0183388A8

公开(公告)日：2002-06-27

申请号：PCT/US0112472

申请日：2001-04-17

Applicant: CORNING INC

Inventor： BROWN JOHN T ,  BURKE GERALD E ,  CHACON LISA C ,  DAWES STEVEN B ,  ELLISON ADAM J ,  HAWTOF DANIEL W ,  LUPPINO ANTHONY P ,  SRIKANT V ,  TANDON PUSHKAR ,  TENNENT CHRISTINE L ,  TERRELL JAMES P JR ,  WHALEN JOSEPH M

IPC: C03B37/018 ,  C03B19/14 ,  C03B37/012 ,  C03B37/014 ,  C03C3/06 ,  F23D14/22 ,  F23D14/32 ,  G03F1/00 ,  G03F7/20

CPC classification number: G03F7/70216 ,  C03B19/1407 ,  C03B19/1415 ,  C03B19/1423 ,  C03B19/1453 ,  C03B37/01202 ,  C03B37/01406 ,  C03B37/01413 ,  C03B37/0142 ,  C03B37/0146 ,  C03B2201/12 ,  C03B2203/22 ,  C03B2207/02 ,  C03B2207/06 ,  C03B2207/08 ,  C03B2207/14 ,  C03B2207/20 ,  C03B2207/30 ,  C03B2207/38 ,  C03B2207/40 ,  C03B2207/42 ,  C03B2207/46 ,  C03B2207/54 ,  C03B2207/70 ,  C03B2207/81 ,  C03C3/06 ,  C03C2201/12 ,  C03C2201/20 ,  C03C2201/23 ,  C03C2201/30 ,  C03C2201/32 ,  F23D14/22 ,  F23D14/32 ,  G03F1/60 ,  G03F7/70958

Abstract: Methods, apparatus and precursors for producing substantially water-free silica soot, preforms and glass. The methods and apparatus make substantially water-free fused silica preforms or glass by removing water as a reaction product, removing water from the atmosphere, removing water from the transport process, or combinations thereof. In a first embodiment, substantially water-free soot, preforms or glass are achieved by using a hydrogen-free fuel, such as carbon monoxide, in the deposition process. In another embodiment, a soot producing burner has parameters that enable operation on a substantially hydrogen-free fuel. End burners, which minimize water production, are also described. Such water-free methods are useful in depositing fluorine-doped soot because of the low water present and the efficiency in which fluorine is incorporated. In another embodiment, glassy barrier layer methods and apparatus are described for minimizing dopant migration, especially fluorine. Laser and induction methods and apparatus for forming the barrier layer are depicted. A chlorine, fluorine and silica precursor, such as chlorofluorosilane, may be utilized to form fluorinated soot. Other methods and apparatus are directed to combinations of conventional and substantially water-free processes. One embodiment is directed to combustion enhancing additives for addition to the substantially hydrogen-free fuels. The methods and apparatus in accordance with the invention are particularly useful for producing photomask substrates and optical fiber preforms.