1-27. (canceled)
28. An air bag module cover, comprising:
a. a face panel operatively coupleable to a first structural portion of an air bag inflator module, wherein said face panel in a nominal orientation comprises:
i. first and second lateral door portions separated by a central substantially vertical tear seam;
ii. a first distal hinge portion operatively coupling said first lateral door portion to a first laterally distal portion of said face panel;
iii. a first lower vertical distal tear portion below said first distal hinge portion and between said first laterally distal portion of said face panel and said first lateral door portion;
iv. a second distal hinge portion operatively coupling said second lateral door portion to a second laterally distal portion of said face panel; and
v. a second lower vertical distal tear portion below said second distal hinge portion and between said second laterally distal portion of said face panel and said second lateral door portion, wherein said first and second laterally distal portions of said face panel are on opposing lateral sides of said face panel, and respective first and second upper edges of said first and second lateral door portions are bounded by a separable upper boundary; and
b. a lower door portion operatively coupleable through a lower hinge portion to either said first or a second structural portion of said air bag inflator module, wherein said lower door portion is located on a bottom side of said air bag module cover, a first edge of said lower door portion abuts respective first and second lower edges of said first and second lateral door portions at a separable lower boundary, said first edge of said lower door portion is distal with respect to said lower hinge portion, and said lower door portion comprises first and second lateral separable boundaries defining first and second lateral edges of said lower door portion;
wherein the module is configured so that the lower door portion opens and deploys before the first and second lateral door portions on the face panel.
29. An air bag module cover as recited in claim 28, wherein said separable upper boundary comprises a tear seam in said air bag module cover.
30. An air bag module cover as recited in claim 28, further comprising:
a. a first upper vertical distal tear portion above said first distal hinge portion and between said first laterally distal portion of said face panel and said first lateral door portion; and
b. a second upper vertical distal tear portion above said second distal hinge portion and between said second laterally distal portion of said face panel and said second lateral door portion.
31. An air bag module cover as recited in claim 28, wherein said separable lower boundary and said first and second lateral separable boundaries comprise respective tear seams in said air bag module cover.
32. An air bag module cover as recited in claim 28, further comprising an air bag covered by said air bag module cover, wherein said air bag incorporates a diffuser or deflector adapted to direct at least a portion of inflation gas in a downward direction into said air bag when said air bag is operatively coupled to an air bag inflator and said air bag inflator is actuated so as to generate said inflation gas.
33. An airbag module comprising: the module cover as set forth in claim 28, an airbag and an inflator for inflating the airbag.
34. The module of claim 33, wherein the separable upper boundary comprises a tear seam in the air bag module cover.
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. An optical fiber comprising:
a glass optical fiber, made from silica glass, comprising:
a core including a first core located at a center of the optical fiber and a second core surrounding the first core; and
a cladding around the core; and
a coating, made from a resin, that coats the glass optical fiber, wherein the first core has a refractive index higher than that of the cladding,
the second core has a refractive index lower than that of the cladding,
the optical fiber has an effective core area \u2267175 \u03bcm2 at a wavelength of 1550 nm, a bending loss \u226610 dBm at a bending diameter of 20 mm at the wavelength of 1550 nm, and a cut-off wavelength \u03bbc\u22661550 nm,
the glass optical fiber comprises a primary medium portion and secondary medium portions having a refractive index lower than that of the primary medium portion,
the secondary medium portions have a plurality of first secondary medium portions around the first core and a plurality of second secondary medium portions around the first core and outside of the first secondary medium portions
a relative refractive index difference \u03941 of the first core with respect to the cladding is 0.06\u02dc0.14%, a relative refractive index difference \u03942 of the second core with respect to the cladding is \u22120.20\u02dc\u22120.05%, and a ratio 2b2a=3.0\u02dc4.5, where 2a is the diameter of the first core and 2b is the outer diameter of the second core,
six of the first secondary medium portions are positioned such that they create a six-fold rotational symmetry with respect to the first core and a ratio z1a is 3.0\u02dc4.5, wherein z1 is the distance between a center of the first core and a center of the first secondary medium portion and 2a is the diameter of the first core, and
the second secondary medium portions are positioned outside of the first secondary medium portions such that they create a six-fold rotational symmetry with respect to the first core, six of the second secondary medium portions being positioned on apexes of a hexagon where the apexes are positioned on extension lines of a center of the first core and centers of the first secondary medium portions, other six of the second secondary medium portions being positioned on midpoints of sides of the hexagon.
2. The optical fiber of claim 1, wherein cross-sectional areas of the first and second secondary medium portions are circular and have approximately the same diameter.
3. The optical fiber of claim 1, wherein the an outer diameter, 2c, of the glass optical fiber is 120\u02dc130 \u03bcm.
4. An optical fiber comprising:
a glass optical fiber, made from silica glass, comprising:
a core including a first core located at the center of the optical fiber and a second core surrounding the first core; and
a cladding around the core; and
a coating, made from a resin, that coats the glass optical fiber, wherein the first core has a refractive index higher than that of the cladding,
the second core has a refractive index lower than that of the cladding,
the optical fiber has an effective core area \u2267175 \u03bcm2 at a wavelength of 1550 nm, a bending loss <10 dBm at a bending diameter of 20 mm at the wavelength of 1550 nm, and a cut-off wavelength \u03bbc \u22661550 nm,
the glass optical fiber comprises a primary medium portion and secondary medium portions having a refractive index lower than that of the primary medium portion,
the secondary medium portions have a plurality of first secondary medium portions around the first core and a plurality of second secondary medium portions around the first core and outside of the first secondary medium portions,
a relative refractive index difference \u03941 of the first core with respect to the cladding is 0.06\u02dc0.14%, a relative refractive index difference \u03942 of the second core with respect to the cladding is \u22120.20\u02dc\u22120.05%, and a ratio 2b2a=3.0\u02dc4.5, where 2a is the diameter of the first core and 2b is the outer diameter of the second core,
six of the first secondary medium portions are positioned such that they create a six-fold rotational symmetry with respect to the first core and a ratio z1a is 3.0\u02dc4.5, wherein z1 is the distance between a center of the first core and a center of the first secondary medium portion and 2a is the diameter of the first core, and
the second secondary medium portions are positioned outside of the first secondary medium portions such that they create a six-fold rotational symmetry with respect to the first core, midpoints of the adjacent second secondary medium portions being positioned on extension lines of a center of the first core and centers of the first secondary medium portions.
5. The optical fiber of claim 4, wherein cross-sectional areas of the first and second secondary medium portions are circular and have approximately the same diameter.
6. The optical fiber of claim 4, wherein an outer diameter, 2c, of the glass optical fiber is 120\u02dc130 \u03bcm.