Electronic material composition, electronic parts and use of electronic material composition
First Claim
1. A composition comprising at least a curable polysulfide-based polymer and a powdery electronic material, and exhibiting the following physical properties (a) and (b) after being cured to form a cured body;
- (a) temperature characteristic in relative to stiffness modulus, which is featured in that a glass transition temperature in a process of shifting the cured body from a glassy state to a rubbery state due to the change of stiffness modulus in relative to temperature is in the range of −
50 to 50°
C.; and
(b) stiffness modulus in said rubbery state which is in the range of 105 Pa to 107 Pa.
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Accused Products
Abstract
Provided is an electronic material composition which is capable of forming a cured film exhibiting a desired glass transition temperature, a desired stiffness modulus in a rubbery state and a desired extensibility at low temperatures. Also provided is an electronic component comprising a molded body, a packed body, a covering body, an electrode or a joining body, all being formed of the aforementioned electronic material composition. Also provided is a method of using the aforementioned electronic material composition, which is featured in that the electronic material composition is applied in a semi-cured state, and after the application thereof, completely cured.
18 Citations
59 Claims
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1. A composition comprising at least a curable polysulfide-based polymer and a powdery electronic material, and exhibiting the following physical properties (a) and (b) after being cured to form a cured body;
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(a) temperature characteristic in relative to stiffness modulus, which is featured in that a glass transition temperature in a process of shifting the cured body from a glassy state to a rubbery state due to the change of stiffness modulus in relative to temperature is in the range of −
50 to 50°
C.; and
(b) stiffness modulus in said rubbery state which is in the range of 105 Pa to 107 Pa. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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2. A composition comprising at least a curable polysulfide-based polymer and a powdery electronic material, and exhibiting the following physical properties (a), (b) and (c) after being cured to form a cured body;
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(a) temperature characteristic in relative to stiffness modulus, which is featured in that a glass transition temperature in a process of shifting the cured body from a glassy state to a rubbery state due to the change of stiffness modulus in relative to temperature is in the range of −
50 to 50°
C.;
(b) stiffness modulus in said rubbery state which is in the range of 105 Pa to 107 Pa; and
(c) extensibility which cannot be destroyed even if said cured body is subjected to a shear deformation of 5% at a temperature of −
50°
C.
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3. A composition comprising at least powdery electronic material and a curable polysulfide-based polymer, and exhibiting the following physical properties (d) and (e) after being cured to form a cured body;
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(d) temperature characteristic in relative to stiffness modulus, which is featured in that a glass transition temperature in a process of shifting the cured body from a glassy state to a rubbery state due to the change of stiffness modulus in relative to temperature is in the range of −
50 to 50°
C.; and
(e) stiffness modulus in said rubbery state which is in the range of 106 Pa to 108 Pa.
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4. A composition comprising at least powdery electronic material and a curable polysulfide-based polymer, and exhibiting the following physical properties (d), (e) and (f) after being cured to form a cured body;
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(d) temperature characteristic in relative to stiffness modulus, which is featured in that a glass transition temperature in a process of shifting the cured body from a glassy state to a rubbery state due to the change of stiffness modulus in relative to temperature is in the range of −
50 to 50°
C.;
(e) stiffness modulus in said rubbery state which is in the range of 106 Pa to 108 Pa; and
(f) extensibility which cannot be destroyed even if said cured body is subjected to a shear deformation of 2% at a temperature of −
50°
C.
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16. An electronic component comprising
a body selected from the group consisting of a molded body, a packed body, a covering body, an electrode and a joining body, said body comprising a composition comprising at least a curable polysulfide-based polymer and a powdery electronic material, and exhibiting the following physical properties: - (1)(a) and (b);
or (2)(a), (b) and (c);
or (3)(d) and (e);
or (4)(d), (e) and (f) after being cured to form a cured body;
(a) temperature characteristic in relative to stiffness modulus, which is featured in that a glass transition temperature in a process of shifting the cured body from a glassy state to a rubbery state due to the change of stiffness modulus in relative to temperature is in the range of −
50 to 50°
C.;
(b) stiffness modulus in said rubbery state which is in the range of 105 Pa to 107 Pa;
(c) extensibility which cannot be destroyed even if said cured body is subjected to a shear deformation of 5% at a temperature of −
50°
C.;
(d) temperature characteristic in relative to stiffness modulus, which is featured in that a glass transition temperature in a process of shifting the cured body from a glassy state to a rubbery state due to the change of stiffness modulus in relative to temperature is in the range of −
50 to 50°
C.;
(e) stiffness modulus in said rubbery state which is in the range of 106 Pa to 108 Pa; and
(f) extensibility which cannot be destroyed even if said cured body is subjected to a shear deformation of 2% at a temperature of −
50°
C.- View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52)
- (1)(a) and (b);
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53. A method of using an electronic material composition, which comprises the steps of;
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forming an electronic component having a semi-cured state of a molded body, a packed body, a covering body, an electrode or a joining body by making use of a composition comprising at least a curable polysulfide-based polymer and a powdery electronic material, and exhibiting the following physical properties;
(1)(a) and (b);
or (2)(a), (b) and (c);
or (3)(d) and (e);
or (4)(d), (e) and (f), after being cured to form a cured body;
(a) temperature characteristic in relative to stiffness modulus, which is featured in that a glass transition temperature in a process of shifting the cured body from a glassy state to a rubbery state due to the change of stiffness modulus in relative to temperature is in the range of −
50 to 50°
C.;
(b) stiffness modulus in said rubbery state which is in the range of 105 Pa to 107 Pa;
(c) extensibility which cannot be destroyed even if said cured body is subjected to a shear deformation of 5% at a temperature of −
50°
C.;
(d) temperature characteristic in relative to stiffness modulus, which is featured in that a glass transition temperature in a process of shifting the cured body from a glassy state to a rubbery state due to the change of stiffness modulus in relative to temperature is in the range of −
50 to 50°
C.;
(e) stiffness modulus in said rubbery state which is in the range of 106 Pa to 108 Pa; and
(f) extensibility which cannot be destroyed even if said cured body is subjected to a shear deformation of 2% at a temperature of −
50°
C.; and
completely curing the molded body, the packed body, the covering body, the electrode or the joining body to obtain the electronic component having a cured state of the molded body, the packed body, the covering body, the electrode or the joining body. - View Dependent Claims (54, 55, 56, 57, 58, 59)
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Specification