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Preparation and atmospheric wet-reflow of indium microbump for low-temperature flip-chip applications

Advances in Manufacturing 2023年第2期11卷 203-211页

作者： Wen-Hui Zhu Xiao-Yu Xiao Zhuo Chen Gui Chen Ya-Mei Yan Lian-Cheng Wang Gang-Long Li State Key Laboratory of High Performance Complex Manufacturing Central South UniversityChangsha410083People's Republic of China College of Mechanical and Electrical Engineering Central South UniversityChangsha410083People's Republic of China School of Mechanical and Electrical Engineering East China University of TechnologyNanchang330013People's Republic of China

An urgent demand for lowering bonding temperature has been put forward by advanced flip-chip integration such as micro-LED packaging and heterogeneous integration of semiconductor *** microbump with low-melting point has attracted attention for its potential use as the interconnection intermediate,and the development of its fabrication process is therefore of great *** reveal the critical process factors for successfully fabricating a high-density In microbump array,this paper investigated a simple process flow of In patterning and reflow and detailed the flux-assisted wet reflow *** process conditions,including the patterned In volume,alignment accuracy,reflow reagent liquidity,and temperature profile,were described,with a particular emphasis on the role of surface tension of molten indium film during the formation of spherical microbumps.A high-density indium ball array with an overall yield greater than 99.7%can be obtained,which suggests that the In patterning and wet-reflow processes are robust and that a high-quality microbump array could be readily formed with low equipment ***,the interfacial reaction characteristics between In microbump and Au adhesion layer were investigated under thermal aging conditions,which revealed lateral intermetallic growth of AuIn2 compound and well-retained interfacial strength even after prolonged aging.

关键词： Flip chip reflow Indium microbump Au-In intermetallics

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Value of Platelet to Lymphocytes Ratio in Predicting Angiographic reflow after Primary Percutaneous Coronary Intervention in STEMI Patient

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World Journal of Cardiovascular Diseases 2019年第4期9卷 300-308页

作者： Ahmed Emara Neveen I. Samy Walaa Farid Mohamed Elgendy Department of Cardiology Faculty of Medicine Menoufia University Al Minufya Egypt

Background: Acute myocardial infarction is a leading cause of death worldwide nowadays and treatment of choice is primary percutaneous coronary intervention (PCI). No reflow is a complication that increases mortality and morbidity post intervention and one of its predictors is platelet lymphocyte ratio. Aim of Study: To assess relation between admission platelet to lymphocyte ratio (PLR) and angiographic reflow after primary PCI in acute ST elevation myocardial infarction (STEMI). Patients and Methods: This is a prospective study that was conducted from May 2017 to May 2018 at Cardiology Department, Menoufia University Hospital. Sixty patients presented with ST-elevation myocardial infarction who were eligible for primary PCI were enrolled in the study. According to TIMI flow post intervention, patients were arranged into 2 groups: Group 1 (Normal reflow) included thirty patients with post intervention TIMI flow III and Group 2 (NO reflow) included thirty patients with post intervention TIMI flow (0, I, II). Comparison between both groups was done regarding platelet lymphocyte ratio (PLR). Result: PLR was significantly higher in patients with coronary no reflow than in patients with normal reflow with a P-value of , timing interval between onset of chest pain to time of intervention and thrombus grading was significantly higher in patients with no reflow than in patients with normal reflow. Conclusion: Pre-intervention PLR is an independent predictor of slow flow/no reflow following PPCI in patient with acute STEMI.

关键词： Acute Myocardial Infarction Primary Percutaneous Coronary Intervention No reflow Platelet Lymphocyte Ratio

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Clinical effects of intracoronary tirofiban on preventing no-reflow during emergency percutaneous coronary intervention

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China Medical Abstracts(Internal Medicine) 2012年第4期29卷 209-209页

作者：林杰 Dept Cardiol Taizhou People's Hosp

Objective To assess the effects of intracoronary tirofiban on preventing no-reflow during emergency percutaneous coronary intervention(PCI) . Methods All 99 cases with acute myocardial infarction who underwent emergen... 详细信息

关键词： reflow emergency bolus bleeding corrected admin prior incidence

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Effects of preinfarction angina on no-reflow phenomenon after percutaneous coronary intervention in patients with acute myocardial infarction

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介入放射学杂志 2003年第S1期12卷 153-页

作者：王荣英河北医科大学第二医院石家庄050000 0311-***

Objective To evaluate effects of preinfarction angina(PA) on no reflow phenomenon after percutaneous coronary intervention(PCI) in patients with acute myocardial infarction(AMI).Methods one hundred patients with first AMI were divided into no reflow group( n =15)and reflow group( n =85). All patients undervent PCI within 12h after onset of *** reflow phenomenon,defined as TIMI grade 2 flow or less without apparent residual stenosis .Myocardial enzyme was continuously measured;Left ventricular function was assessed by radionuclideimaging; The incidence of ventricular aneurysm and in hospital mortality was observed. Results (1)Patients with no reflow had a significantly lower incidence of PA( 20% vs 61% , P reflow(403±132vs277±151, P reflow had significantly larger myocardial infarction area (MIA) ( 27.6 ±9.1% vs 20.9 ±9.4% , P reflow (20%vs4%,preflow( OR = 6.12 , P =0.01 ).Conclusions The absence of preinfarction angina is a high dangerous factor of no reflow phenomenon; No reflow phenomenon is associated with a high incidence of heart failure and mortality.

关键词： reflow angina

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Cardiovascular System

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China Medical Abstracts(Internal Medicine) 2005年第3期22卷 146-153页

*** failure2005329 Early impairment of renal function inchronic heart failure and its clinical ***(金争鸣),et *** Cardiol,The 1st AffiliHosp,Med Coll,Zhejiang Univ,Hangzhou *** J Intern Med 2005;44(4)

关键词： reflow impairment dilated heartfailure remodeling Hangzhou unstable mortality fasting LVEDVI

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cardiovascular system

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China Medical Abstracts(Internal Medicine) 2006年第1期23卷 16-26页

6.1 Cardiac arrhythmias 2006037 Electroanatomical systems guided circumferential pulmonary veins ablation for atrial fibrillation: initial experience from comparison between the EnSite -NavX and CARTO system LIU Xu(刘... 详细信息

关键词： cardiovascular fibrillation stent guided ablation angina veins reflow unstable remodeling

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Cardiovascular System

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China Medical Abstracts(Internal Medicine) 2011年第2期28卷 93-99页

2011189 Vulnerable plaque burden post pharmaco-logical and interventional treatments in patients with acute coronary syndrome and borderline lesion: intravascular ultrasound follow up results. YU Danqing (余丹青)

关键词： intravascular cathepsin plaque reflow thrombolysis hypertrophic cardiomyopathy leptin verity burden

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PLASTIC SURGERY AND BURNS

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外科研究与新技术 1996年第1期 60-65页

The pathological changes in pulmonarymicrovasculature in fats inflicted withoverpressure blast, 15% third degree burns andcombined bum-blast injury, respectively, werestudied with electron microscopy andultrastructura... 详细信息

关键词： TBSA blast guinea endotoxin endothelium reflow metabolism Chongqing dehydrogenase stimulator

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EFFICACY OF DELAYED RECANALIZATION AND THROMBOLYSIS ON ATRIOVENTRICULAR BLOCK IN ACUTE INFERIOR MYOCARDIAL INFARCTION

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China Medical Abstracts(Internal Medicine) 2002年第2期19卷 110-113页

作者：金炜何奔孙宝贵李为真张国兵周国围 Shanghai First People's Hospital Shanghai 200080China

Objective To investigate the effects of delayed recanalization and thrombolysis on atrioventricular(AV) block in acute inferior myocardial infarction(AIMI).Methods A total of 212 patients, including 30 patients(group A)who underwent delayed recanalization of infarct-related artery (IRA) by PTCA within 12～18 hours after onset, 50 patients(group B) who received intravenous thrombolytic therapy within 12 hours of AIMI onset, 132 patients(group C) with AIMI who received conventional therapy, were enrolled in this *** In group A, the occurrence of AV block was decreased significantly (26.7% vs 6.7%, PO.05).Conclusion The delayed recanalization of IRA by PTCA within 12～48 hours after the onset of AIMI can reduce the incidence of A-V block and probably decrease the in-hospital mortality rate.

关键词： thrombolysis admission infarct intravenous inferior mortality inpatient probably enrolled reflow

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Traditional Chinese Medicine

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China Medical Abstracts(Internal Medicine) 2008年第2期25卷 66-68页

2008230 Relationship of TCM syndrome type of gastric mucosal epithelial growth factor,vascular endothelial growth factor and proliferative cell nuclear antigen in patients with chronic atrophic *** Lianghua(孙良华),et *** Hosp,Weifang Med Coll,Shandong *** J Integr Tradit & West Med 2008;283:*** To study the relationship with TCM syndrome type of gastric mucosal epithelial growth factor(EGF),vascular endothelial growth factor(VEGF)

关键词： atrophic gastritis proliferative mucosal Shandong pectoris angina reflow hemoglobin fecal

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