JPS5146269

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DESCRIPTION JPS5146269
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an ultrasonic transducer taken up to
explain the present invention, FIG. 1 is a front elevational view in vertical section, and FIG. 2 is a
plan view taken along the line E in FIG. . 1.2 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · · · electrode plate, 4,5 · · · · · · · · metal block. Figure 1 Figure 2 157-
DETAILED DESCRIPTION OF THE INVENTION The present invention is silver powder to a plaster
wave oscillator, an electrode plate to apply an electric charge between positive and negative
polarities of a piezoelectric element to a crucible. An ultrasonic transducer KsP in which a
piezoelectric element is sandwiched together with an electrode plate at a single-pass O metal
block threshold, and by polishing the metal element and the piezoelectric element O each other
by semipipe, paper, usually piezoelectric The technology to make the pig iron electrode formed in
the element OII reverse-fold to make the adhesion between the two higher and improve the
supersonic I 1% 1 rollability has already been confirmed by the present applicant, C /) @@ 5 @
81-/ 4 / f 44% Qi Nt * tL *. In the inventor of the present invention, further experiments and
researches were carried out in the case of the distributed supersonic wave resonator, for
example, when the multi-machine eit electric element is electrically connected in parallel 1
mechanical Ka series, Oka polarity of the piezoelectric element The fact that the recording lI 411
左右 is one-sided is also found by the high and low of the electrode plate 0 秦 back w O accuracy
inserted in the end drawing. That is, as described in the above-mentioned 譬 18 da j-/ 4 / f 4 炒
炒 亀 亀 亀 亀 亀 亀 薄板 vt な る な る な る 圧 延 圧 延 圧 延 圧 延 圧 延 圧 延 圧 延 電極 電極 電
極 電極 電極 電極 電極Even if O is used, the surface is rough and has a large radius, and its
roundness is large. When this electrode plate is inserted into the piezoelectric element 11, the
piezoelectric element and C, l @ have a small space. Precipitate fluid that is made to propagate
and propagate inside the vibrator There was a defect that IK reflected and broken in IIK and
inhibited the wave. According to the proposal, in view of the upper point Oka point, the
supersonic convective property can be further improved by refining 1111It so that the space
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between the front and the back of the electrode plate is the same as the welding of the metal and
the piezoelectric element. It is. An embodiment of the drawings will be described below. In the
drawing, l and は have silver electrodes on the front and back. A pair of echo-like piezoelectric
elements with precision polishing in mechanical series and an electrical Ka difference row with
Oka-polar electric picture inside. Stack up. JFi 一 対 pair O Piezoelectric element I, O O
intercalated in the end of the round copper 余 余 導電 highly conductive metal thin work! An Ishaped electrode plate containing an input conductor 1 'connecting leg 3a collected on an outer
electrode C-. り、! C. The outer end faces of the pair of piezoelectric elements I and λ
respectively! INIL, 皺 轟 Na lm Il, * KIii ゎ. 2.5. □つ、え−お。 2 2 □ □ ッ. -Yj, 4tllllleHt
yoo 7, 1 1 111tJ Each of the inner diameter is inserted in an electrically insulating manner, and
the male screw part ja, tb is screwed with the blind screw hole a of the metal block U, S on both
sides. In the present invention, the front surface and the back surface of the electrode plate J
inserted in the piezoelectric element / J in the present invention are subjected to CIIIIIIK close
grinding, preferably 101 or less.
Using lead zirconate titanate-based porcelain, the outer diameter (J) in goφ-X @ / J # 鵬 X
thickness 4 is manufactured in a sunshade of-, polarized in the direction of thickness- Give and
give a noble back picture 1/1 to lapping it 個 O O piezoelectric element /, と and copperberyllium alloy 11 rolled thin 11 @ thing, engineering l %% s) tJiAO 1 □ JO jp mx □ 盆 / φ -×
QJt 膳 press-cut electrode IIJ and high strength Al (made of a columnar K11 of J0φmx 4 LOj ■
with an aluminum alloy rod, and after 轟) 憫 end mi /, 1 # K ? While finishing with a slip, call it
M10 x Concealed / JMO blind screw hole a, jl L engraved in the middle and make 9 metal blocks,
j stainless steel made of a stainless steel and call M10 x effective screw part / Jam at both ends of
total length Jam A conventional ultrasonic transducer B) firmly prepared with a 5jo-.cndot.
Jointly, except using the electrode plate which is lapped with surface layer surface / j, j fine 11 in
place of the above-mentioned electrode plate which is not subjected to precision grinding,
ultrasonic vibration vibration is applied under the same conditions as described above. For the
child ←), input 10W. Resonant horse liquid ato KJlxO driving condition constant temperature
admittance characteristics (Ymo) at room temperature and round part, it was the conventional
dragon sound transducer 頓 Fii * vaV OK versus the transducer of the present proposal (b) 轢
coco mV Check the improvement effect by 106 or more compared to the past and check it.
Ceramics, the present proposal has been described by taking an electrode plate inserted in Oka
polar end 1i 1111 of a pair of piezoelectric elements as an example, but the input lead 0111 for
the metal block which is in close contact with the other O polar electric picture of the
piezoelectric element. The present invention is also applied to another electrode plate which is
rolled between I and I and between the welding of the piezoelectric element and the metal block.
L ′ ′ ′ ′ ′ ′ ′ ′ ′ f′′l ′ ′! ! t&IILIIij° 1°1 4く11にい。 As
described above, in the ultrasonic transducer in which the piezoelectric element having the fine
back surface precisely polished is similarly sandwiched between an electrode plate and a
precision-polished pair of metal bumps, the ultrasonic electrode 110 comprises The vibrator of
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the present proposal, which has been precisely polished on the back side as well as the metal
block and the piezoelectric element, has a large effect (7) l & that makes the wave uniform and
significantly improves the super f-wave characteristics. is there. False-IIO Easy tm *-m & 1
Proposition 1 * Bare to the rounding to light * * 梳 動 示 し, 1st ■ aI! ■ ■ ■, first-a 嬉 I O イ ー
イ ー I 曽 I l K j 晴 晴 and 子 side L /, · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · electrode plate,
ginseng, J · · · 属 雪) 1 1 ′ ′ [Mt 噺 噺 味 味 − 代表 代表 代表 代表 藝 第 第 第 第 1 1 / / / / 7 7
、 、 y y y y y y · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · / 6 '', / / / '' 11, 11, 11 11,-. 3
Yui "· · · 26b-15-.
汐. 竿 2 Figure y7 y. // 乙 · 乙 · / / / 乙 / 3/3 ′ 衝 圀 仄 庫 13 碌 1 渫 payment 4 θ 269 1 嬶 4
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